Biomedical subjects
Publications and source records attributed to B Vidne.
A male patient, operated for squamous cell carcinoma of the lung, in whom sarcoidosis was discovered in the resected lung specimen, is reported. The increased association of sarcoidosis along with malignant diseases is discussed, as well as the various mechanisms probably responsible for this association.
The clinical and pathological features in three cases of false aneurysm of the left ventricle are reported. In two instances the condition developed after myocardial infarction, and in the third case a mycotic pseudoaneurysm developed after purulent pericarditis. All three patients were in intractable heart failure before urgent operation. The correct diagnosis was established preoperatively by angiography. In all three cases the aneurysms were successfully resected and the left ventricle reconstructed. An aggressive surgical approach is warranted in the management of this lesion.
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In a period of two years, 202 kidneys were transplanted in 162 patients at the Downstate Medical Center. On hundred twenty-nine patients had primary transplantations, twenty-nine second transplantations, and five third transplantations. Urologic complications occurred in twenty-four of the patients (12%). There were eight complications involving the urinary bladder and fifteen ureteric complications. In twenty-one patients the complications appeared within six weeks after surgery. Surgical correction immediately upon diagnosis of the urinary complications resulted in a high degree of early restoration of the urinary tract continuity and preservation of renal function. Leakage from the bladder was frequently associated with previous surgery. In five of eight patients, bladder leakage occurred after the second or third transplantations. Complications of the urinary bladder in general had a significantly favorable prognosis as compared with ureteric complications. Although all the patients with bladder complications fully recovered and maintained good renal function, four patients with ureteric complications either died or lost the graft.
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Experimental substitution of a long segment of ureter by a fallopian tube was performed in dogs. Three different techniques of proximal and distal anastomosis for reconstruction of the urinary tract were used in three groups of animals. Based on this, it is believed that the fallopian tube, as a pedicle graft, could serve in female dogs as the most approximate ideal substitute for ureter because of (a) anatomic proximity to the ureter permitting blood supply to the tube, (b) the fallopian tube's mucosa lining is not affected by urinary excretions, (c) does not allow absorption of electrocytes, (d) has a muscular wall with peristaltic activity, and (e) avoids the problems of antigenicity and/or foreign body reaction.
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