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Biomedical subjects

S S Chiang

Publications and source records attributed to S S Chiang.

23 records · Page 2Linked to original sources

Prophylactic antibiotics in surgical treatment of axillary hyperhidrosis.

A randomized, prospective, double-blind study designed to compare the effectiveness of the use of cloxacillin with the result of nontreatment in patients undergoing surgical intervention of axillary hyperhidrosis was conducted from August 1987 to October 1987 at the Veterans General Hospital, Taipei, Taiwan. Forty-two patients were enrolled in this study. Fifty wounds (25 patients) were control subjects, and 34 wounds (17 patients) received cloxacillin. The positive bacterial culture rates of the tissues and draining from patients in the treatment group compared with the control group was statistically significantly lower (p less than 0.01). No significant differences presented in relation to age, sex, complication rate, fever index, and length of hospital stay. Prophylactic antibiotic is of no value in elective surgical intervention of axillary hyperhidrosis.

Adolescent↗

Tissue expanders in soft tissue reconstruction.

In order to reconstruct soft tissue defects, plastic and reconstructive surgeons have developed various means that range from the simplest skin grafts to the most complex transfer of microvascular free flaps, but there are no other more than tissue expansion can achieve good results in both aesthetic and functional aspects. From Oct. 1986 to Oct. 1988, tissue expansion was used in seven male and six female patients aged from 11 to 40 years, with a mean of 25. They were divided into 3 groups according to the location of defects: head and neck, 6 cases; trunk, 2 cases; and extremity, 5 cases. Seven cases had successful results and 6 cases failed: one due to infection, one due to leakage of bag and another 4 due to expander extrusion. We know that tissue expansion is a relatively new technique. It expands the healthy tissue immediately adjacent to the defects and provides tissue with near perfect color match, texture, sensation and hair distribution for reconstruction. Although high risk of failure was noted (6 in 13 cases), it still deserves trying for its reasonable aesthetic and functional results.

Adolescent↗

Rapidly progressive interstitial renal fibrosis associated with Chinese herbal medications.

BACKGROUND/AIM: Nephropathy after ingestion of Chinese herbs is known as a rapidly progressive form of interstitial renal fibrosis after a slimming regimen containing aristolochic acid that was identified first in Belgium. Intake of traditional Chinese herbal medicines is very popular in Taiwan. So we looked for similar cases in our hospital. METHODS: From 1994 to 1998, we observed 20 Taiwanese patients who underwent renal biopsy for rapidly progressive renal failure of unknown origin. The medical history of these patients gave no clue to the origin of renal impairment, except for the administration of Chinese herbs before the development of renal failure in all cases. RESULTS: Although these patients took herbal medications from various sources for different purposes, their renal biopsy specimens showed strikingly similar histological patterns: extensive paucicellular interstitial fibrosis and tubular atrophy, but the glomeruli were apparently intact. They also had similar clinical features, such as a nearly normal blood pressure, obvious anemia, insignificant edema, low-grade proteinuria, and glucosuria. The renal function declined rapidly in most cases; 15 patients underwent dialysis within 3 months of renal biopsy, and 7 patients received emergency dialysis when they first came to our hospital. On clinical and morphological grounds, the nephropathy in our patients appears similar to Chinese herb nephropathy. CONCLUSIONS: Because of the diversity of the herbal regimens used, in addition to aristolochic acid, other unidentified phytotoxins may also play a role in this particular disease entity. There is a strong relation between rapidly progressive interstitial renal fibrosis and the consumption of Chinese herbs.

Adult↗