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Biomedical subjects

G L Peltier

Publications and source records attributed to G L Peltier.

11 recordsLinked to original sources
PubMed1991

Controlled expansion of peripheral nerves: comparison of nerve grafting and nerve expansion/repair for canine sciatic nerve defects.

The inherent disadvantages of nerve grafting have made it necessary to find alternative techniques for treating segmental nerve loss. This study compares the techniques of nerve grafting and nerve expansion/repair for the management of nerve injuries with segmental nerve loss in an animal model. Bilateral segmental sciatic nerve defects were created in eight dogs. On one side a 2-cm segment was excised and replaced with a nerve graft; on the other side a 2-cm defect was created with ligatures and the nerve underwent preliminary expansion and then repair. Eighteen months later nerve conduction velocity (NCV), gastrocnemius contraction force (GCF), and muscle weight (GMW) were determined for the seven surviving animals. NCV for the expanded repair was 58.66 +/- 34.18 m/sec and 47.73 +/- 7.93 for the grafted repair (p = 0.4); GCF was 619.04 +/- 353.70 gm for the expanded repair and 726.80 +/- 415.78 gm (p = 0.2) for the grafted repair; and GMW was 82.80 +/- 5.68 gm for the expanded repair and 109.55 +/- 20.63 gm (p = 0.02) for the grafted repair. The data suggest that: 1) conventional tissue expansion techniques can be used successfully to repair segmental peripheral nerve defects; 2) NCV and GCF are comparable for grafting and expansion/repair techniques although GMW is significantly higher in the grafted group; and 3) nerve expansion/repair may prove to be a useful alternative to grafting.

Action Potentials↗
PubMed1989

Management of the difficult split-thickness donor site.

Split-thickness skin graft donor sites are often areas of significant morbidity in the elderly, in immunocompromised patients, and in steroid-dependent patients. We found that managing these donor sites with split-thickness skin and transparent dressings greatly increases the rate of healing and diminishes morbidity.

Aged↗
PubMed1988

Pharmacokinetics of cefonicid in patients with skin and skin structure infections.

The disposition of cefonicid (2 g intravenously every 24 h) was assessed in 15 patients with skin and skin structure infections. Trough and peak concentrations in serum were measured on two successive days to verify the attainment of steady state; and 1 trough and 12 postdose values of the concentration in serum were collected on the following day. Cefonicid concentrations in serum were determined by high-performance liquid chromatography. The cefonicid serum concentration versus time profile after intravenous infusion was clearly biexponential in all patients. The terminal elimination half-life determined by nonlinear regression analysis was 4.63 +/- 1.49 h (mean +/- standard deviation). The steady-state volume of distribution and total body clearance were 0.12 +/- 0.04 liter/kg and 0.369 +/- 0.110 ml/min per kg, respectively. These results are comparable to parameters derived from previous studies in noninfected normal volunteers. Thus, the disposition of cefonicid is not altered in patients with severe skin and skin structure infections.

Adult↗
PubMed1979

The radiological spectrum of gastric bypass complications.

Gastric bypass is now the operation of choice for surgical management of morbid obesity. Prompt and accurate radiological diagnosis in the early postoperative period is critical for proper management of suspected gastrojejunal anastomotic leakage, abscess formation, and acute distension of the excluded stomach and afferent loop. Inadequate weight loss may indicate an increase in the gastric pouch and anastomosis or dehiscence of the staple line. Gastric and jejunal ulceration and anastomotic narrowing also require radiological and endoscopic evaluation.

Afferent Loop Syndrome↗
PubMedDate not supplied

Contact palm burns in toddlers from glass enclosed fireplaces.

We have seen an alarming increase in the incidence of pediatric palm burns associated with gas fireplaces. The increasing popularity of these units places more children at risk. Medical records of patients under the age of 5 years who sustained hand burns from contact with the glass enclosure of gas fireplaces from 1996 through 2002 were reviewed. Thirty-nine patients were identified, with a mean age of 12.8 months. A 15-fold increase in incidence was observed. Thirty-three patients suffered superficial second-degree burns that were treated conservatively. Twenty-one percent of children developed significant wound complications requiring intensive therapy including extension splinting or surgery. Pediatric burns resulting from palmar contact with the glass enclosures of gas fireplaces have emerged as an avoidable new danger within the home. Although most of these injuries heal with conservative treatment alone, many require surgery or other intensive management to regain acceptable function.

Accidents, Home↗
PubMedDate not supplied

Controlled air suspension: an advantage in burn care.

The clinical uses of the air-fluidized Clinitron therapy system and the air suspension KinAir bed are discussed based on a review of 31 patients. The risks of infection and high evaporative water loss on the air-fluidized bed are problems not associated with the air suspension bed. The clinical use of the air suspension bed is much simpler and safer for nursing personnel. The air suspension bed is indicated for patients with massive burn injuries, patients with deep burns of the back, obese burn patients, heavily infected burn patients, and debilitated patients.

Adult↗