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Biomedical subjects

J Skillman

Publications and source records attributed to J Skillman.

12 recordsLinked to original sources
PubMed2002

Piercing the upper ear: a simple infection, a difficult reconstruction.

Piercing the upper ear to retain jewellery is now commonplace. When infection ensues, devastating chondritis leads to collapse of the ear. To our knowledge, the surgical reconstruction of post-piercing deformities has not been documented in the literature. We present five such cases referred for autogenous-tissue ear reconstruction. In four of these, the destroyed segments of ear cartilage were replaced with a carved costal-cartilage framework. One patient declined surgery. The importance of preventing infection is stressed.

Adolescent↗
PubMed2002

Gigantomastia unrelated to pregnancy or puberty: a case report.

Idiopathic gigantomastia occurs during puberty and pregnancy but a spontaneous case has not been reported in the literature. An unusual case is described, which required urgent bilateral mastectomy to control systemic sepsis and extreme discomfort.

Journal Article↗
PubMed1986

Uptake of hematoporphyrin derivative by atheromatous plaques: studies in human in vitro and rabbit in vivo.

Hematoporphyrin derivative, a photosensitive material used to identify and treat neoplastic tissue in humans, has been found to localize in atheromatous plaques in animals and has recently been found in postmortem human atherosclerotic plaques. It is not known whether human plaques take up hematoporphyrin derivative in vivo. In five patients undergoing surgical vascular procedures, specimens containing atheromatous plaques were removed and immediately incubated in autologous oxygenated blood at 37 degrees C with hematoporphyrin derivative at a clinically relevant concentration for 2 hours. On exposure to ultraviolet light, porphyrin fluorescence was noted throughout each plaque, whereas adjacent plaque-free tissue showed no fluorescence. To compare in vitro with in vivo hematoporphyrin derivative uptake by plaques, the fluorescence of three types of arterial lesions (induced by a high cholesterol diet, catheters or balloon injury) was studied in 16 New Zealand White rabbits. Each lesion fluoresced selectively with the same intensity whether hematoporphyrin derivative exposure was performed in vitro or in vivo. Fluorescence microscopy did not show a difference in the pattern of hematoporphyrin derivative fluorescence between in vitro and in vivo specimens. The results suggest that human atheromatous plaques should take up hematoporphyrin derivative in vivo and are, therefore, potentially suitable for photochemical treatment as a new therapeutic approach to atherosclerosis.

Animals↗
PubMed1984

Effect of aspirin and dipyridamole on the patency of lower extremity bypass grafts.

Recent clinical studies indicate that the use of aspirin and dipyridamole improves graft patency rates in patients with infrainguinal polytetrafluoroethylene (PTFE) grafts and aortocoronary vein grafts. We undertook a prospective, double-blind, randomized study to determine whether these drugs administered postoperatively to patients with PTFE or autologous vein infrainguinal bypasses would improve graft patency during the first 24 months after operation. Patients received either aspirin 325 mg and dipyridamole 75 mg or identical placebo tablets three times a day, taken orally. Patency rates were compared by computing standard life tables and comparing cumulative patency rates. One hundred patients with 102 grafts were studied. The cumulative patency rate at 24 months was not significantly different for the treatment (57%) versus control (67%) groups or for any subgroup. We conclude that aspirin and dipyridamole administered postoperatively in the doses used in this study do not improve the overall patency rates of vein or PTFE infrainguinal bypass grafts.

Aged↗
PubMed1980

Reduction of venous thrombosis complicating phlebography.

Patients who underwent radiographic phlebography were studied to determine the frequency of postphlebographic venous thrombosis. In a group of 23 patients who had negative phlebograms performed with standard contrast agent (60% sodium methylglucamine diatrizoate), nine had positive 125I-fibrinogen leg scans. On repeat phlebography, three had confirmed deep vein thrombosis, six overall developed deep or superficial thrombosis, and three had positive scans without demonstrable thrombi. In a second group of 34 patients studied with the contrast material diluted to 45%, only three developed positive scans, one due to deep venous thrombosis and two to superficial thrombosis. There was also a reduction in the incidence of postphlebographic symptoms of pain, tenderness, and erythema, but no apparent sacrifice in diagnostic accuracy.

Diatrizoate↗
PubMed1980

Intraoperative external pneumatic calf compression to afford long-term prophylaxis against deep vein thrombosis in urological patients.

In a prospective randomized study of patients undergoing open urological operations, we found external pneumatic compression (EPC) of the calves applied in the operating room and recovery room as effective in reducing deep vein thrombosis as EPC continued during convalescence until resumption of ambulation. Provided early postoperative ambulation is practiced, intraoperative EPC appears to be adequate prophylaxis and equivalent to long-term EPC for prevention of deep venous thrombosis in urological patients.

Adult↗
PubMedDate not supplied

Intracerebral hemorrhage following carotid endarterectomy: a hypertensive complication?

Two patients with transient ischemic attacks and subsequent minor cerebral infarction had repair of very tight carotid stenosis, 4 and 5 weeks respectively after their stroke. Each developed intracerebral hemorrhage when hypertension was uncontrolled during the post-operative period. Hypertension is a significant complication of carotid endarterectomy, and may be a prominent factor in the development of intracerebral hemorrhage post-carotid endarterectomy.

Arteriosclerosis↗