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Biomedical subjects

M M Mani

Publications and source records attributed to M M Mani.

31 records · Page 2Linked to original sources
PubMed1973

Induction cardiac pacing: a new approach.

A new approach to induction cardiac pacing using a "skin tunnel" transformer has been developed and used in a patient. Initial results are encouraging. If the system proves reliable in the long term it may have important applications in the delivery of power to implanted artificial organs.

Abdomen↗
PubMedDate not supplied

Heterotopic ossification: are range of motion exercises contraindicated?

The incidence, time of onset, and role of exercise in the progression of heterotopic ossification were documented retrospectively in burn patients. In 12 of 1,066 patients (1.2%) consecutively admitted to a burn center, the abnormal bone formed posteriorly around the elbow joint. The initial signs were localized joint pain and rapid decrease in range of motion, and the average time of onset was 12 weeks after thermal injury. Prior to the diagnosis of heterotopic ossification, all patients were managed with an exercise program of active and active-assisted movements. In patients who persisted with passive and active-assisted range of motion, especially beyond the range of pain-free movements, the ossification progressed to complete ankylosis and required surgical intervention to remove the heterotopic bone. On the other hand, postoperative patients and patients who followed a program of active exercise within the pain-free range gained excellent range of motion. It was concluded that passive stretching of the periarticular structures during the acute phase of heterotopic bone formation is detrimental to the final outcome.

Adult↗
PubMedDate not supplied

Chemical burns: retrospective review.

The records of 51 patients with chemical burns were reviewed to identify demographics, mechanism and place of injury, cause, distribution, initial management, and outcome of treatment. Patients were classified as having received adequate (immediate dilution or neutralization of the chemical treatment--group A, or inadequate (delayed or inappropriate) treatment--group B. Inpatient mortality for chemical burns was 13% compared to 15% overall burn center mortality. Of the burns, 79% occurred in the 21-50 age group; 69% of burns were work-related in men and 17% in women. In group A, 19% required skin grafting (mortality 9.5%); in group B, 36% required grafting (mortality 21%). Alkali were the most frequent cause of burns, followed by sulfuric acid and, less often, gasoline, anhydrous ammonia, white phosphorus, and hydrofluoric acid.

Adolescent↗
PubMedDate not supplied

Gasoline-induced contact burns.

Gasoline contact may cause significant full-thickness burn injuries. Systemic complications may result from the absorption of hydrocarbons through the skin. Regional neuromuscular absorption may produce transient or even permanent impairment. It is vital that the physician be aware of the possible full-thickness injuries and complications that may result from cutaneous exposure to gasoline.

Accidents, Traffic↗
PubMedDate not supplied

The effect of instruction on burn prevention in eighth-grade students in preparation for babysitting.

New parents quickly discover that the greatest resource for child care at the least cost are teenage babysitters. These sitters assume the responsibility for burn prevention of young children. This study tested the effect of a burn prevention presentation on pre- and posttest scores of eighth-grade students (N = 119) from five sections of a science class. Students were between the ages of 12 and 14 years and 99 of them (83.2%) were babysitters. Multiple analysis of variance was calculated, and differences were seen between information regarding burns from hot bath water, cigarette lighters, and baby bottles that were heated in microwave ovens; however, the differences were not significant. This study concluded that eighth-grade students learned burn prevention before they entered the eighth grade but that there is a need to update these babysitters on burn prevention and new hazards such as cigarette lighters and microwave ovens.

Accidents, Home↗
PubMedDate not supplied

Infant monitoring resulting in burns-tissue damage: literature review and case report.

Noninvasive infant monitoring occasionally results in burns and tissue damage. The medical literature now contains 14 isolated reports that were summarized for this review. All 14 victims were less than 24 months of age, and of these 14, two died by electrocution. Burns and tissue damage resulted from infant respiratory monitors (six), pulse oximeters (four), electrocardiographic monitors (two), an anal myoneural junction monitor (one), and a fetal scalp monitor (one). Infant extremities were injured most often (40%), and the trunk was burned somewhat less frequently (23%). Infants were burned in the hospital (57%) only slightly more often than at home (43%). Household burns involved only infant cardiorespiratory monitors. The most common mechanism of injury was the misapplication or improper connection of electrode lead wires (57%). A full one third of infants with burns required a reconstructive surgical procedure, usually a skin graft. Risk factors related to monitor-induced burns and tissue damage have been identified and presented. Injury prevention principles are also outlined.

Burns, Electric↗
PubMedDate not supplied

National Burn Awareness Week: how are burn care facilities in the United States participating?

A survey was conducted from burn care facilities (BCF) regarding their participation in National Burn Awareness Week (NBAW). The second week in February has been proclaimed NBAW. This is the only national campaign of this scope and is supported by the American Burn Association. The NBAW Task Force meets annually to compose and review the burn awareness materials that are sent to all BCF. A telephone survey was conducted, and responses to questions were obtained from all 148 of the BCF listed in the American Burn Association's "Burn Care Resources in North America 1991-1992." The purpose of the study was to answer questions regarding BCF involvement with NBAW and burn prevention programs. Review of the literature reveals this to be the first national study to elicit this type of information. Information sharing of this magnitude can have a dynamic effect on the participation of BCF in NBAW and can result in increased burn awareness in the BCF's local communities. An added benefit is that the task force receives specific input direct from those using the campaign, which validates the continuation of NBAW and the support of the ABA.

Burn Units↗
PubMedDate not supplied

A study to determine the efficacy of treatments for hydrofluoric acid burns.

Hydrofluoric acid burns are characterized by progressive tissue destruction and severe pain. Fluoride ion chelators, such as salts of calcium and magnesium, have been used to treat these burns. This study was designed to compare the efficacy of several treatment methods that involve the use of these salts. Standard hydrofluoric acid burns were produced on the shaved hindquarters of rats. After being rinsed with water, the chemical burns were treated by one of seven experimental methods. The progress of the chemical burn damage was observed for 1 week by measuring the surface areas of the burns. Calcium gluconate burn jelly, 20% calcium gluconate in water, and 50% aqueous dimethyl sulfoxide did not significantly slow the spread of the burn area. However, subcutaneous injections of calcium gluconate or magnesium sulfate and topical applications of calcium gluconate in a solution of dimethyl sulfoxide significantly slowed the progress of the burns during the first 24 hours and enhanced tissue recovery for the remainder of the observation period. These results indicate that subcutaneous injections of magnesium or calcium salts appear to be more effective than conventional topical applications in the treatment of hydrofluoric acid burns. More significantly, topically applied calcium gluconate combined with a penetration enhancer, such as dimethyl sulfoxide, is as effective as injection treatments in reducing damage caused by hydrofluoric acid.

Administration, Topical↗