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Does carotid restenosis predict an increased risk of late symptoms, stroke, or death? The identification of carotid restenosis as an unexpected late complication of carotid endarterectomy has prompted concerns regarding its importance as a source of new cerebral symptoms, stroke, and death. To investigate these conce...
C23
6,601
8,358
Defective dystrophin in Duchenne and Becker dystrophy myotubes in cell culture. We examined normal and dystrophic human myotubes in cell culture for expression of dystrophin, the protein product of the Duchenne muscular dystrophy locus. Dystrophin levels in developing myotubes detected by Western blotting increased a...
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6,602
5,798
Identification of mutations in regions corresponding to the two putative nucleotide (ATP)-binding folds of the cystic fibrosis gene. Additional mutations in the cystic fibrosis (CF) gene were identified in the regions corresponding to the two putative nucleotide (ATP)-binding folds (NBFs) of the predicted polypeptide....
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6,603
7,695
Venous hemodynamics in a chronic venous valvular insufficiency model. To develop a large-animal model of chronic venous valve incompetence, 13 greyhound dogs underwent unilateral hindlimb venous valve lysis with a valve cutter apparatus pulled retrograde through the iliac, femoral, and lateral saphenous veins. Bilate...
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6,604
9,201
Maternal feeding behavior and child acceptance of food during diarrhea, convalescence, and health in the central Sierra of Peru. Feeding patterns by mothers and child acceptance of food were measured in a Peruvian village to determine changes on days when children had diarrhea as compared to days of convalescence and ...
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6,605
8,457
Gallstone pancreatitis. Gallstone pancreatitis is caused by transient obstruction of the ampulla of Vater by a migrating gallstone. Intraglandular activation of pancreatic enzymes occurs (by an unclear mechanism), and their entry into the circulation causes most of the local and systemic events of pancreatitis. The ...
C23
6,606
290
Increased ischemic injury but decreased hypoxic injury in hypertrophied rat hearts. The purpose of this study was to compare the degree of ischemic and hypoxic injury in normal versus hypertrophied rat hearts to investigate basic mechanisms responsible for irreversible myocardial ischemic injury. Hearts from rats wit...
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6,607
7,681
Outcome in Mania. A 4-year prospective follow-up of 75 patients utilizing survival analysis. A 4-year follow-up of 75 patients was conducted to investigate outcome after recovery from an episode of mania. Predictors of an unfavorable outcome included poor occupational status prior to index episode, history of previou...
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6,608
3,669
A protocol for the investigation of pregnancy loss. A protocol for the evaluation of pregnancy loss should include a maternal history, dysmorphic examination of the fetus or abortus, photographs, autopsy, chromosome studies (in most cases), and radiographic or xeroradiographic studies. Selected cases with suspected a...
C23
6,609
8,256
Parkinsonian tremor loses its alternating aspect during non-REM sleep and is inhibited by REM sleep. Non-REM sleep transforms the waking alternating Parkinsonian tremor into subclinical repetitive muscle contractions whose amplitude and duration decrease as non-REM sleep progresses from stages I to IV. During REM sle...
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6,610
3,111
A controlled trial of nebulized isoetharine in the prehospital treatment of acute asthma. Acute asthma is a potentially life-threatening disorder, recognizable to the prehospital care provider. While therapies are available to the prehospital care provider for treating acute asthma, no previous controlled studies hav...
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6,611
8,947
Recurrence of resected esophagogastric adenocarcinoma: results of re-resection. Isolated local recurrence following potentially curative resection for carcinoma of the esophagus or esophagogastric junction does not necessarily imply pending systemic disease and early demise. While radiation alone or in combination wi...
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6,612
3,039
The recalcitrant perineal wound after rectal extirpation. Applications of muscle flap closure. Perineal wounds developing after abdominoperineal resection result in chronic purulent drainage and intermittent episodes of sepsis and are generally unresponsive to conservative medical and surgical treatment. Thirteen con...
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6,613
9,621
Urinary tract dilatation in constipated children. Abnormalities of the upper urinary tract were sought retrospectively in 180 children with constipation who had been investigated surgically over a 5-year period. Of those in whom an intravenous urogram had been performed, the incidence of dilatation of the upper renal...
C23
6,614
9,645
Intraluminal pressure adjacent to left colonic anastomoses. A cumulative total of 89 h of pressure data was acquired from both sides of a left colonic anastomosis in 15 patients over a median period of 7 postoperative study days. Patients had a colonic ileus lasting 3-10 days and during this proximal and distal inact...
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6,615
2,298
Frequency of low-grade residual coronary stenosis after thrombolysis during acute myocardial infarction. The clinical, angiographic and demographic characteristics of 42 patients with low-grade (less than 50%) residual stenosis at the infarct lesion after thrombolysis for acute myocardial infarction (MI) were assessed...
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6,616
423
The effects of methoxamine and epinephrine on survival and regional distribution of cardiac output in dogs with prolonged ventricular fibrillation This study compares the effects of methoxamine, a pure alpha 1-agonist, and epinephrine on cerebral and myocardial blood flow, central hemodynamics, and survival in a rand...
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6,617
5,441
Functional results of facial nerve suture after removal of acoustic neurinoma: analysis of 25 cases. The facial nerve is sometimes severed during the removal of acoustic neurinomas, either intentionally to ensure complete removal, or unintentionally because of difficulties in identification. In such cases we have, if...
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6,618
7,565
Usefulness of tomographic thallium-201 imaging for detection of restenosis after percutaneous transluminal coronary angioplasty. The role of tomographic thallium-201 exercise and redistribution imaging in the detection of restenosis after percutaneous transluminal coronary angioplasty (PTCA) was evaluated in 116 patie...
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6,619
4,934
Speech, velopharyngeal function, and hearing before and after orthognathic surgery. Articulation, voice, resonance, hearing sensitivity, and middle ear function were examined in 34 patients before and 3, 6, 9, and 12 months after orthognathic surgery. Thirty of the 34 patients had articulation errors before surgery. ...
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6,620
4,410
Balloon expandable stent implantation in stenotic right heart valved conduits. Although valved conduits have been used successfully in severe forms of right ventricular-pulmonary artery discontinuity, progressive valved conduit stenosis is an important clinical problem. To determine the feasibility of reducing right ...
C23
6,621
5,593
Histologic evaluation of the width of soft tissue necrosis adjacent to carbon dioxide laser incisions. This study evaluated the width of tissue necrosis lateral to carbon dioxide laser incisions on human intraoral excisional biopsy specimens. Measurements were made on specimens including epithelium, muscle, dense and...
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6,622
6,302
Improved flow cytometric determination of proliferative activity (S-phase fraction) from paraffin-embedded tissue. Recent studies suggest that proliferative activity (S-phase fraction [SPF]) may have greater prognostic significance than total nuclear DNA content; however, relatively few studies have examined SPF from ...
C23
6,623
5,514
Observer variability in the scoring of colpophotographs. Colposcopy and cervicography are accepted tools for assessing the cervix for an atypical transformation zone. We studied the validity of the colpophotograph as a measurement tool by determining the agreement of experienced colposcopists using colpophotographs o...
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6,624
9,263
Life-threatening complications during anaesthesia in a patient with a ventriculo-atrial shunt and pulmonary hypertension [published erratum appears in Anaesthesia 1991 Mar;46(3):241] A 6-year-old patient with hydrocephalus who underwent revision of a ventriculo-atrial shunt is described. Anaesthesia was complicated b...
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6,625
7,138
Long-term results of catheter ablation of idiopathic right ventricular tachycardia Ten consecutive patients with recurrent episodes of symptomatic, idiopathic, sustained monomorphic ventricular tachycardia (VT) originating in the right ventricle underwent an attempt at catheter ablation of the ventricular tachycardia...
C23
6,626
3,412
Effect of granulocyte colony-stimulating factor on neutropenia due to chemotherapy for non-Hodgkin's lymphoma. The authors administered recombinant human granulocyte colony-stimulating factor (rhG-CSF) to 16 patients with advanced non-Hodgkin's lymphoma treated with combination chemotherapy. Groups of three to five p...
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6,627
3,790
Yersinia enterocolitica abscess of the transverse colon. Report of a case. Yersinia enterocolitica abscess of the bowel is a rare entity. Only five cases have previously been reported--none in the surgical literature. A unique presentation for Yersinia infection, abscess of the transverse colon, is described, and th...
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6,628
3,340
Experimental study of starch-induced intraperitoneal adhesions The effects of starch on the development of postoperative adhesions were examined in 144 Sprague Dawley rats. Groups of rats were injected intraperitoneally with suspensions of washings from starched gloves, starch-free gloves and starch-poor washed glov...
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6,629
6,027
1990 Volvo Award in clinical sciences. Lumbar spinal pathology in cadaveric material in relation to history of back pain, occupation, and physical loading. The occurrence of symmetric disc degeneration, anular ruptures, end-plate defects, vertebral body osteophytosis, and facet joint osteoarthrosis was examined radiog...
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6,630
7,963
Increased susceptibility to hypoxia of prolonged action potential duration in ventricular papillary muscles from diabetic rats. The action potential duration (APD) of ventricular muscles obtained from diabetic animals is reported to be prolonged. We studied the effect of varied periods of diabetes on APD prolongation...
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6,631
5,694
Abdominal trauma in pregnancy. When is fetal monitoring necessary? The type and duration of observation and monitoring of mother and fetus after abdominal trauma are dependent on gestational age and severity of trauma. Fetal monitoring is usually not required when the fetus is not viable; the primary consideration i...
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6,632
8,760
The encased ureter: bullet and bodkin pattern, a reliable radiographic sign. Among the causes of constricted ureter is benign or malignant encasement. The diagnosis of ureteric encasement is frequently overlooked, even by well informed clinicians and radiologists. The most common benign cause is retroperitoneal fibr...
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6,633
7,159
Perianal abscess and fistula-in-ano in children. The authors present a retrospective review of 40 pediatric patients with perianal abscess and/or fistula-in-ano. The total patient population could be divided clinically into 2 broad groups. The first group consisted of 22 infants younger than 2 years of age, all of w...
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6,634
2,117
Surgical management of islet cell dysmaturation syndrome in young children. Islet cell dysmaturation syndrome (ICDS) encompasses the causes of infantile hyperinsulinemic hypoglycemia histologically described as islet cell hyperplasia, pancreatic adenomatosis and nesidioblastosis. Eleven infants underwent 14 pancreati...
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6,635
2,533
Management and outcomes of pregnancies complicated by human B19 parvovirus infection: a prospective study During a large statewide outbreak of fifth disease in Connecticut in 1988, 39 pregnant women were identified who had serologic evidence of recent human B19 parvovirus infection. The patients were followed up pro...
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6,636
5,894
The management of atypical non-cardiac chest pain. Atypical, non-cardiac chest pain is common and disabling, and often persists despite negative medical investigations. Aetiology is disputed and management is difficult. A multi-causal model in which both psychological and physical factors play a part is helpful; a f...
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6,637
7,414
Evaluating hematuria in children. Where to start and how to proceed. Bleeding from somewhere along the urinary tract is not unusual in children. Of the many causes, systemic infection and trauma are among the most common. History taking and physical examination should be careful and complete, because the results obt...
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6,638
2,955
Swan-Ganz catheter-induced massive hemoptysis and pulmonary artery false aneurysm. Swan-Ganz catheter-induced massive hemoptysis and later pulmonary artery false aneurysm occurred in a patient with prosthetic mitral regurgitation. This patient was successfully managed by double-lumen endotracheal intubation, control ...
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6,639
237
Multi-Hospital Eastern Atlantic Restenosis Trial: design, recruitment, and feasibility. M-HEART Investigators. A randomized control trial was set up to examine factors that influence restenosis and determine the effects of corticosteroids on restenosis following successful PTCA. The rationale for the study agent chos...
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6,640
9,501
A new bioprosthetic cardiac valve with reduced calcification. A bioprosthetic cardiac valve cross-linked with a glycerol polyglycidyl ether polyepoxy compound (PC) was developed in order to reduce calcification and degeneration, which often occurs in bioprosthetic cardiac valves. Aortic valves harvested from dogs wer...
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6,641
8,520
Perirenal candidial abscess. Perirenal candidial abscesses are rare, with few well-documented cases in the literature. We describe a case of a perinephric abscess treated with amphotericin B and nephrectomy.
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6,642
3,003
Study of preneoplastic changes of liver cells by immunohistochemical and molecular hybridization techniques. The status of hepatitis B virus DNA was investigated by in situ hybridization in multifocal areas of a noncancerous hepatitis B virus-associated cirrhosis. This liver exhibited a marked degree of dysplasia and...
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6,643
3,825
Alcohol and gastrointestinal bleeding. Ethanol has experimentally been shown to be "ulcerogenic," independent of gastric intraluminal pH. Ethanol remains ulcerogenic despite antisecretory doses of H2-receptor antagonists. Low-dose alcohol stimulates acid secretion in man, an effect possibly mediated by histamine or ...
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6,644
8,506
Giant lymph node hyperplasia of the lung (Castleman's disease) associated with recurrent pleural effusion. A case of giant lymph node hyperplasia (Castleman's disease) of the lung presented with pleural effusion (which was recurrent), an unusual complication. The patient was treated with pneumonectomy and has survive...
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6,645
3,622
Total knee arthroplasty in diabetes mellitus. A retrospective study was done of 59 total knee arthroplasties (TKAs) in 40 patients diagnosed with diabetes mellitus. The overall infection rate was 7%, with an overall revision rate of 10% and an average follow-up period of 4.3 years. Wound complications were present i...
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6,646
599
Endosonography of peri-anal and peri-colorectal fistula and/or abscess in Crohn's disease. Transcolorectal endosonography (ES) was performed in 36 patients with Crohn's disease suspected clinically to have a fistula or abscess. A hypoechoic or anechoic duct-like lesion immediately adjacent to the anorectal lumen comp...
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6,647
4,123
Effects of tracheal irritation and hypercapnia on tracheal smooth muscle in humans. Both hypercapnia and tracheal irritation are known to constrict the airways in animals. To see whether similar responses occur in humans, we investigated tracheal smooth muscle (TSM) responses to hypercapnia and tracheal irritation wi...
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6,648
7,656
Idiopathic sudden sensorineural hearing loss and postnatal viral labyrinthitis: a statistical comparison of temporal bone findings. Although the cause of idiopathic sudden sensorineural hearing loss remains uncertain, a viral origin has been suggested in many cases on the basis of anamnestic microbiologic and patholog...
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6,649
3,620
Radionuclide imaging of asymptomatic versus symptomatic total knee arthroplasties. Ninety-eight total knee prostheses were evaluated by roentgenograms and bone scans. Fifty-three were asymptomatic, and 45 were symptomatic. Thirteen prostheses required revision surgery. At a mean of 54 months, asymptomatic knee repl...
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6,650
8,961
Effacement of glomerular foot processes in kwashiorkor. In a study of the pathogenesis of the oedema of kwashiorkor the ultrastructure of the kidneys from 6 children was examined shortly after they died from oedematous malnutrition. There was a generalised effacement of the glomerular epithelial cells onto the baseme...
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6,651
6,171
Constipation: pathophysiology and treatment. Although many physicians consider constipation a trivial problem, it is one of the most frequent and chronic digestive disorders in the United States, affecting 4.53 million people and causing considerable morbidity. More than $200 million are spent for over-the-counter la...
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6,652
8,480
Cytoreductive hepatic surgery for neuroendocrine tumors. We retrospectively reviewed 37 patients who underwent hepatic resection between 1970 and 1989 to evaluate the role of cytoreductive hepatic surgery in patients with metastatic neuroendocrine tumors (carcinoid, 24; islet cell, 13). Seventeen resections were cura...
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6,653
2,598
Intraluminal fibrosis induced unilaterally by lobar instillation of CdCl2 into the rat lung. Lung injury induced by intratracheal instillation of cadmium chloride (CdCl2) into the rat lung may serve as a model of human interstitial lung disease. In this study, CdCl2 solutions were instilled through a lobar bronchus i...
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6,654
9,240
Increased septic complications with three-drug sequential immunosuppression for cadaver renal transplants. In 152 renal transplant recipients, the results of immunosuppression with three-drug sequential (Minnesota antilymphocyte globulin, prednisone, azathioprine, and cyclosporine) immunosuppression (n = 107) were com...
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6,655
5,574
Autosomal dominant neovascular inflammatory vitreoretinopathy. Twenty-eight of 61 members of a six-generation family are affected by an autosomal dominant eye disease which has not been described previously. Affected patients are asymptomatic in early adulthood, but have vitreous cells and the selective loss of the b...
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6,656
751
Ultrasound-guided aspiration for transient synovitis of the hip. We reviewed 15 children with transient synovitis of the hip who had aspiration of an effusion under local anaesthesia with ultrasound guidance. There were no significant complications; aspiration was useful for diagnosis and gave considerable symptomati...
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6,657
6,000
Complications of extracorporeal membrane oxygenation in neonates. In cases of severe respiratory failure, cardiopulmonary bypass has been used as support until cardiac and pulmonary recovery occurs. We report the Wilford Hall USAF Medical Center experience with extracorporeal membrane oxygenation (ECMO) and its assoc...
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6,658
6,012
Persistent segmental cutaneous anesthesia after a brown recluse spider bite. Patients with brown recluse spider bites commonly suffer from pain, muscular aching, and a variety of local dysesthesias during the acute and resolution phases of toxin-induced injury. This is our first well-documented observation of persist...
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6,659
6,219
Cause of thrombosis in human atherosclerotic arteries. Although it has been known for a long time that thrombosis nearly always develops in atherosclerotic arteries--and almost never in normal vessels--the mechanism through which atherosclerosis promotes thrombosis was unknown until this problem was explored through h...
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6,660
8,592
Laser placement in noncontact Nd:YAG cyclophotocoagulation. We treated 40 eyes of 40 patients by using noncontact transscleral Nd:YAG cyclophotocoagulation to determine whether treatment 1.5 or 3.0 mm posterior to the corneoscleral lumbus was preferable. Patients were randomly assigned to one of the treatment groups,...
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6,661
3,193
Systemic pattern of free radical generation during coronary bypass surgery. Diffuse impairment of ventricular function after cardiac surgery may be related to the generation during reperfusion of the myocardium of free radicals derived from oxygen. Fifteen patients undergoing elective coronary bypass surgery were stu...
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6,662
772
Combined epidural and general anesthesia in aortic surgery. The perioperative course of 144 consecutive patients undergoing aortic reconstructive surgery was studied to assess the potential benefit of employing a combined epidural and light general anesthesia technique. A group of 67 patients had general anesthesia a...
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6,663
3,043
Reoperative surgery for the morbidly obese. A university experience. Patients who undergo surgery for morbid obesity are often subjected to reoperation for a wide array of indications. To evaluate outcome following revisional procedures, we reviewed the records of 32 such patients treated at UCLA between April 1986 a...
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6,664
4,039
Antibodies to nuclear lamin C in chronic hepatitis delta virus infection. Sera of patients with chronic hepatitis delta virus infection stained the nuclear periphery in indirect immunofluorescence. Using proteins of isolated nuclei, isolated nuclear matrices, the nuclear pore complex-lamina fraction and purified lami...
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6,665
9,245
Continent ileocolonic urinary reservoirs for filling and lining the post-exenteration pelvis. Pelvic exenteration has a high complication rate due, in large part, to the extensive raw surfaces and dead space it creates. Numerous techniques have been used to control this space and line these surfaces, but none, to dat...
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6,666
3,436
Predicting distant metastases in operable breast cancer patients. Risk factors for distant metastases following mastectomy and axillary node dissection for breast cancer were analyzed in a review of 1022 women. From diagnosis until the end of the adjuvant treatment, six stages were identified that corresponded well t...
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6,667
2,813
Toxic shock syndrome after inguinal hernia repair. Report of a case with patient survival. A 40-year-old man developed fulminant multisystem failure several days after elective repair of an inguinal hernia. Toxic shock syndrome (TSS) was diagnosed. There was, however, no evidence of wound infection at the time of mu...
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6,668
8,473
Evaluation of metastatic cardiac calcification in a model of chronic primary hyperparathyroidism. Recent reports have fueled an interest in the prevalence and significance of metastatic calcium deposition in patients with chronic hyperparathyroidism. Experimental data are limited by the lack of suitable in vivo anima...
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6,669
4,222
Reproducibility of growth hormone testing procedures: a comparison between 24-hour integrated concentration and pharmacological stimulation. The purpose of this study was to compare the reproducibility of two approaches to the evaluation of GH secretion: the integrated concentration of GH (IC-GH), a physiological test...
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6,670
4,456
The role of antihistamines in the treatment of chronic urticaria. For many years, H1 antihistamines have been the primary management option for urticaria. However, undesirable side effects, particularly daytime sedation, have limited the usefulness of these classic antihistamines. A new class of peripherally acting,...
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6,671
2,113
Congenital dilatation of the bile duct in 100 instances and its relationship with anomalous junction [published erratum appears in Surg Gynecol Obstet 1991 Mar;172(3):246] Congenital dilatation of the bile duct (CDBD) or choledochal cyst has been demonstrated to be associated with an anomalous junction of the pancreat...
C23
6,672
5,592
A study of the comparative efficacy of four common analgesics in the control of postsurgical dental pain. Four common oral analgesics were tested in a single-blind trial to determine their relative efficacy in the management of postsurgical pain in 103 patients who had their impacted third molars surgically removed un...
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6,673
2,660
Squamous carcinoma of the posterior pharyngeal wall. We have reviewed a 12-year experience with 295 patients treated for squamous carcinoma of the pharynx in order to focus on 78 patients whose lesions arose in the posterior wall. Surgery was the definitive therapy for the primary tumor in 57 (73%), including 3 treat...
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6,674
9,153
Acute myocardial infarction and chest pain syndromes after cocaine use. Seventy patients hospitalized with chest pain after cocaine use were retrospectively evaluated to define the risk and clinical course of acute myocardial infarction (AMI). AMI developed in 22 patients (31%) and transient myocardial ischemia was s...
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6,675
5,520
Calculated risk of chromosomal abnormalities in twin gestations. Genetic counseling concerning the risks of chromosomal abnormalities in twin gestations can be difficult; the risk of amniocentesis is weighed against that of chromosomal abnormalities in either one or both of the twins. Because most twins are dizygotic...
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6,676
2,931
Upper GI bleeding in an urban hospital. Etiology, recurrence, and prognosis. Acute upper gastrointestinal bleeding (UGIB) continues to be a common cause of hospital admission and morbidity and mortality. This study reviews 469 patients admitted to a surgical service of an urban hospital. There were 562 total admissi...
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6,677
9,697
Closure of refractory perineal Crohn's lesion. Integration of hyperbaric oxygen into case management. A case is reported in which a comprehensive program of hyperbaric oxygen (HBO), surgical debridement and reconstruction, and continuing medical management resulted in complete and sustained closure of an extensive per...
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6,678
8,612
Covalent binding of oxidative biotransformation intermediates is associated with halothane hepatotoxicity in guinea pigs. In vivo covalent binding of halothane biotransformation-reactive intermediates to hepatic protein and lipid was examined in association with the subsequent development of hepatic necrosis in the gu...
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6,679
7,104
Psychological outcomes of different treatment policies in women with early breast cancer outside a clinical trial OBJECTIVES--To assess outside a clinical trial the psychological outcome of different treatment policies in women with early breast cancer who underwent either mastectomy or breast conservation surgery de...
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6,680
8,175
Defective oral tolerance promotes nephritogenesis in experimental IgA nephropathy induced by oral immunization. Oral tolerance, an important feature of the mucosal immune system, appears to protect against immune-mediated disease by blunting production of systemic IgG and IgM antibody directed toward immunogens chroni...
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6,681
5,106
A giant renal artery aneurysm diagnosed post partum. We report a case of a 5.8 cm. right renal artery aneurysm diagnosed intact 8 weeks post partum. Rupture of a renal arterial aneurysm during pregnancy is a rare but well described catastrophic event. There are no previous reports of an intact renal artery aneurysm...
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6,682
2,640
Initial failure of surgical exploration in patients with primary hyperparathyroidism. To determine the causes of failures of cervical exploration for primary hyperparathyroidism, we reviewed 892 patients operated on by one surgeon from 1953 to 1990. Twenty-seven patients (3%) remained hypercalcemic or developed hyper...
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6,683
8,675
Simultaneous 'dual system' rehabilitation in the treatment of facial paralysis. Simultaneous dual system rehabilitation of facial paralysis involves using two independent reanimation techniques to optimize facial movement in both a quantitative and qualitative manner. These techniques involve the use of nerve graftin...
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6,684
2,844
Percutaneous pedestal in cochlear implantation. Direct electrical connection between an external sound-processing device and intracochlear electrodes is accomplished via a percutaneous pedestal. Patient pedestal complaints and experience have been recorded. Pedestal problems have been classified into six classes, wi...
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6,685
4,483
An interdisciplinary nutrition assessment and intervention protocol for children with disabilities. Because of the multifactorial nature of the nutrition problems associated with developmental disabilities, a well-organized, interdisciplinary effort is necessary to deal with such problems. A team composed of professi...
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6,686
238
Fractured and retained guide-wire fragment during coronary angioplasty--unforeseen late sequelae. During a difficult coronary angioplasty, the tip of the guide wire became inadvertently wedged in a distal vessel, fractured, and retained in situ. Because of the otherwise successful nature of the angioplasty and the pa...
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6,687
6,717
Effects of inflammatory mediators on the responsiveness of isolated human airways to methacholine. Several studies have suggested that in asthmatics the quantities of inflammatory mediators such as histamine, thromboxane A2 (TxA2), prostaglandin D2 (PGD2), prostaglandin F2 alpha (PGF2 alpha), and leukotriene C4 (LTC4)...
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6,688
6,319
Childhood deaths from toy balloons. We describe four children who died of suffocation by rubber balloons in Canada between 1983 and 1988. In the United States, at least 121 children have died in a similar manner in the 15 years between 1973 and 1988 according to a report by the US Consumer Product Safety Commission. ...
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6,689
4,023
The role of endoscopic injection sclerotherapy in the management of bleeding peristomal varices. Peristomal varices usually occur in patients with enterostomies who develop portal hypertension, and represent a cause of recurrent or intractable gastrointestinal bleeding. Treatment options for such bleeding include sur...
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6,690
769
The relationship of intraluminal shunting to technical results after carotid endarterectomy. This study evaluates the incidence of defects on the intraoperative angiograms of 160 carotid endarterectomies performed in 146 patients, 81 of 160 (50.6%) with a shunt and 79 of 160 operations (49.4%) performed without a shun...
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6,691
7,824
Tissue changes around loose prostheses. A canine model to investigate the effects of an antiinflammatory agent. The aseptically loosened prosthesis provided a means for investigating the in vivo and in vitro activity of the cells associated with the loosening process in seven dogs. The cells were isolated and maintai...
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6,692
6,636
Electroencephalographic changes during brief cardiac arrest in humans. Slowing and attenuation of the dominant frequency of the electroencephalogram (EEG) are changes commonly used to detect cerebral ischemia. To assess the validity of this method, the EEGs recorded during 93 episodes of circulatory arrest in ten nor...
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6,693
770
Long term follow-up of descending thoracic aorto-iliac/femoral bypass. A prospective study of 26 patients undergoing descending thoracic aorto-iliac/femoral (DTAI/F) bypass was conducted over a 13-year period with an average follow up of 53 months. Reasons for selecting the procedure were occluded aortic bifurcation ...
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6,694
3,472
The prophylactic use of octreotide in a patient with ovarian carcinoid and valvular heart disease. This case report describes the use of octreotide, a long-acting somatostatin analogue, in the management of a patient with an ovarian carcinoid tumour and severe cardiac valvular disease. This patient underwent laparoto...
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6,695
603
Endoscopic palliative intubation of the esophagus invaded by lung cancer. Thirty-two patients with esophageal involvement by lung cancer were managed by endoscopic intubation. In 22 patients with extrinsic esophageal strictures, the success rate of intubation was 91%, and 82% were discharged with their dysphagia reli...
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6,696
6,632
Emergency tracheal intubation in the postanesthesia care unit: physician error or patient disease? Inadequate airway maintenance has been a major factor in perioperative morbidity. To determine the incidence and etiology of emergency tracheal intubations in the postanesthesia care unit (PACU), we retrospectively revi...
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6,697
5,547
Vaginal bleeding in childhood and adolescence. Vaginal bleeding in early childhood, regardless of its duration and quantity, is always of clinical importance. This article discusses the examination of the child and adolescent and reviews the various causes of vaginal bleeding in these patient groups.
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6,698
4,789
Observer reliability in detecting surreptitious random occlusions of the monaural esophageal stethoscope. The esophageal stethoscope is used often during anesthesia to monitor ventilation and cardiac function. Deficiencies in observer vigilance may limit the effectiveness of this monitoring instrument. The aim of th...
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6,699
2,854
Human central nervous system primitive neuroectodermal tumor expressing nerve growth factor receptors: CHP707m. A primitive neuroectodermal tumor (PNET) presented as a cerebral hemispheric mass in a 33-year-old man. Bone marrow metastases were discovered 11 months later. A cell line (CHP707m) was derived from these ...
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