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Biomedical subjects

J C Boyle

Publications and source records attributed to J C Boyle.

5 recordsLinked to original sources

Lower extremity burns and Unna paste: can we decrease health care costs without compromising patient care?

OBJECTIVE: To compare an alternative treatment for lower extremity burns with the standard in-hospital treatment, in an attempt to shorten hospital stay. DESIGN: A case-control series. SETTING: A university-affiliated hospital. PATIENTS: All patients with a burn isolated to a lower extremity were treated over an 8-month period with split-thickness skin grafting (STSG), Unna paste dressing, immediate mobilization and early discharge. This group was compared with matched controls from the preceding 8 years treated with STSG, occlusive burn gauze dressing, bed rest and hospitalization. MAIN OUTCOME MEASURES: Duration of hospital stay and graft viability. RESULTS: Thirteen patients with an average wound size of 131 cm2 were treated with Unna paste and had a graft viability of greater than 95% and a burn-scar rating equivalent to that of patients treated with the earlier regimen. The duration of hospital stay decreased from a mean of 12.9 days to 1.4 days, with no complications. This translated into a saving of $10,350 per patient. CONCLUSIONS: This alternative treatment is safe, inexpensive and effective and is recommended as the treatment of choice for uncomplicated, noncircumferential lower extremity burns.

Adolescent

Vibration white finger.

Nineteen consecutive patients claiming compensation for vibration white finger were reviewed. The cold provocation test was found to be of no value in confirming a diagnosis of vibration white finger. Small cysts were apparent on the radiographs in 61% of patients' wrists but none had developed significant degenerative changes of the wrist or digits. In this group of claimants, 63% had carpal tunnel syndrome on nerve conduction studies.

Adult

Prospective comparison of silver sulfadiazine 1 per cent plus chlorhexidine digluconate 0.2 per cent (Silvazine) and silver sulfadiazine 1 per cent (Flamazine) as prophylaxis against burn wound infection.

Patients with fresh full-thickness burn wounds were randomly assigned to receive wound treatment with daily applications of either 1 per cent silver sulfadiazine plus 0.2 per cent chlorhexidine digluconate cream (Silvazine) or 1 per cent silver sulfadiazine (Flamazine). Fifty-four patients treated with Silvazine were comparable to 67 treated with Flamazine with respect to extent and distribution of burn, age and all aspects of wound and associated treatment. Overall incidence of wound bacterial colonization was less in the Silvazine treated patients (65 per cent versus 88 per cent; P = 0.002). With Silvazine, wound colonization by Staphylococcus aureus was less (41 per cent versus 64 per cent; P = 0.01). Clinical wound infection with Staph, aureus developed in one Silvazine treated patient and five Flamazine treated patients (P = 0.16). Colonization by and infection due to all other organisms did not differ in the two groups. The incidence of graft failure was similar with both agents. In future increasing the concentration of chlorhexidine digluconate above 0.2 per cent might produce an improved prophylactic effect against Gram negative bacteria reported by other authors using the combined agent in in vitro and clinical trials. Silvazine was effective in reducing the incidence of Staph. aureus burn wound colonization without fostering supervening opportunistic infection.

Adolescent

Comparison of silver sulfadiazine 1% with chlorhexidine digluconate 0.2% to silver sulfadiazine 1% alone in the prophylactic topical antibacterial treatment of burns.

Wound bacterial colonization in 118 patients treated with chlorhexidine digluconate 0.2% in silver sulfadiazine 1% applied daily to the burn wounds was compared to that of 135 comparable patients similarly treated with silver sulfadiazine 1%. With chlorhexidine digluconate 0.2% in silver sulfadiazine 1%, colonization by Staphylococcus aureus was less frequent (38%) than with silver sulfadiazine (54%, p = 0.016). No statistical difference was found for colonization by Enterococcus faecalis, Pseudomonas aeruginosa, or Enterobacter cloacae. Washing of the wounds of 65 patients with chlorhexidine gluconate 4% during daily dressing changes was associated with reduced wound colonization by S. aureus (35% versus 51%, p = 0.03) and P. aeruginosa (8% versus 16%, p = 0.08) when compared to the 188 washed with nonantibacterial soap. Chlorhexidine, whether added to the topical agent silver sulfadiazine (chlorhexidine digluconate 0.2%) or in the bath soap (chlorhexidine gluconate 4%), decreased colonization by S. aureus.

Administration, Topical

Cultured epithelial autografts: three years of clinical experience with eighteen patients.

Eighteen patients with major burns (mean total body surface area burned was 49% and mean total body surface area with full-thickness burns was 38%) had cultured epithelial autografts applied to 2% to 35% of the body surface area. In six patients successful "take" of greater than 65% occurred, and in 12 patients less than 40% "take" occurred. Most wounds underwent early excision to subcutaneous fat or fascia, and the wounds of 16 patients had been treated previously with homograft. Cultured epithelial autografts were covered with either single or multilayered dressings. Perioperative wound cultures showed that all patients had microorganisms, and appropriate perioperative antibiotic coverage of Staphylococcus epidermidis and Pseudomonas aeruginosa was noted less frequently in the poor take group, which may have influenced subsequent cultured epithelial allograft take. Adherence and stability of cultured epithelial allografts lag behind adherence and stability of meshed split-thickness autograft. The anterior trunk and thighs are the best recipient sites. The number of autograft harvests that were required to close wounds and the length of hospital stay were not significantly decreased by the use of cultured epithelial allografts as compared with comparable full-thickness burns that were treated previously without cultured epithelial allografts. Presently, grafting with cultured epithelial allografts is an adjunct but not an alternative to conventional burn-wound coverage with split-thickness autograft, because engraftment is inconsistent.

Adolescent