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PubMed1990

[The rupture of surgical gloves in a general hospital].

We studied the incidence of rupture of surgical gloves used at a general hospital: A) new gloves (n = 114); B) gloves used at a major general, gynecological or urological operation (n = 258), and C) recirculating surgical gloves (n = 86). A special techniques based on transmission of an electrical signal through the rupture was used to identify rupture. Rupture was present in 8.8, 28 and 26% of surgical gloves in groups A, B and C, respectively. Type of surgery or surgeon involved did not influence rupture of gloves in group A. However, rupture increased in relation to the duration of surgery (40% incidence in operations lasting more than 90 min). Our results suggest the need for better quality control of new surgical gloves and glove change after 90 min of operation.

Chi-Square Distribution↗
PubMed1989

An investigation on the safety of rewashed gloves.

Despite recommendations from the Department of Health and Human Services, some dental professionals are using rewashed gloves. To study the effects of repeated washings, latex gloves were washed up to 50 times and tested for defects before and after washing. Then, to investigate the safety of rewashed gloves, they were contaminated with either bacteriophage viruses or Staphylococcus epidermidis. After application of four commonly used hand-washing solutions, the contaminated gloves were washed one to five times and tested for residual organisms. Our results showed that one percent of the gloves had manufacturer's defects, and that repeated washings did not increase the incidence of these defects. Furthermore, in spite of significant reductions in the number of microorganisms on contaminated gloves after repeated washings, rewashed gloves remained infected with the test organisms. The results of this investigation indicate that rewashed gloves have the potential to cause cross-contamination.

Communicable Disease Control↗
PubMedDate not supplied

Integrity of vinyl and latex procedure gloves.

In a series of experiments the integrity of vinyl and latex procedure gloves were tested under in-use conditions. Both types of gloves were tested by three methods: watertight (645 samples), bacterial penetration (50), and dye exclusion (90). Results of the watertight test demonstrated visible defects in 4.1% of vinyl and 2.7% in latex gloves. Twenty percent of latex gloves and 34% of vinyl gloves which had passed the watertight test allowed penetration of Serratia marcescens when worn by volunteers. A series of manipulations designed to simulate approximately 15 minutes of clinical activity in an intensive care unit resulted in failure rates as high as 66%. Using the dye penetration test, there was a statistically significant difference between vinyl and latex procedure gloves with full manipulations, with failure rates of 53% and 3%, respectively. Both types of gloves provided some barrier protection. However, latex gloves performed better when stressed.

Adult↗
PubMed1987

[Contact allergy to rubber, surgical and vinyl gloves].

Thirty-one patients with a contact allergy to gloves made from rubber or vinyl were investigated in a retrospective and prospective study. Sensitivity to rubber gloves used in the household and in industry occurred most frequently (64%), followed by surgical gloves (26%) and vinyl gloves (10%). Health service worker and housewife were the professions in which the allergy was most frequently present. The main sensitizers were found to be the rubber accelerators of the thiuram and carbamate group. A series of various gloves (household, surgical, vinyl) yielded extremely different results when tested epicutaneously on the rubber-sensitized individuals. Vinyl gloves, surgical gloves made from pure latex or surgical gloves with an inner plastic coating may alternatively be used by these patients.

Dermatitis, Contact↗
PubMed1995

Glove safety: summary of recent findings and recommendations from health care regulators.

Every health care worker should be aware of the quality and deficiencies of gloves in the health care setting. Since the introduction of the human immunodeficiency virus into the health care setting, the medical community's compliance with universal precautions and the standards mandated by the Food and Drug Administration have worked in a mutual effort to enhance the quality of medical gloves considerably. Despite these improvements in protecting health care workers, recent studies on glove integrity before and after use warn against taking the protective aspect of gloves for granted. According to studies, latex gloves provide the best available protection from biohazardous substances, but stricter regulation of glove production and a continual observance of recommendations and regulations by health care regulators are necessary to improve glove quality. This report is designed to reveal the fact regarding the true safety integrity of two main glove types, latex and polyvinyl chloride, through permeability testing with various biomaterials and substances.

Equipment Design↗
PubMedDate not supplied

The effectiveness of a low-chemical, low-protein medical glove to prevent or reduce dermatological problems.

PURPOSE: This study investigated the effectiveness of a low-chemical, low-protein, powder-free latex medical glove to reduce or prevent hand dermatitis in a group of oral healthcare workers who had a self-reported history of hand irritation from medical glove use. METHODS: Dental hygienists who had previously reported dermatological conditions from routine use of medical gloves were invited to participate in this study to test a new medical glove. All subjects completed baseline information and 85 subjects participated in the study. Subjects wore the gloves routinely for six weeks unless complications developed. Postuse questionnaires were sent to the 85 participants. Dermatological signs and symptoms were measured at both times and subjects' perceptions of change in dermatological conditions were measured postuse. Data were analyzed by frequency distributions, paired t-test, and McNemar's chi-square statistic. RESULTS: For the 85 participants, the reduction in number of dermatological signs and symptoms was statistically significant (t = 3.46; p = 0.001) from a mean of 2.5 (sd = 2.8) to a mean of 1.3 (sd = 2.6) symptoms. A statistically significantly (chi-square = 7/8; p = 0.005) greater proportion of subjects were symptom-free at postuse (61.2%) than at baseline (41.2%). Almost 90% of the oral healthcare workers perceived that the number of dermatological signs and symptoms, the intensity of signs and symptoms, and the area involved stayed the same or decreased. CONCLUSIONS: The medical gloves used in this study were effective in reducing the number of dermatological problems associated with routine medical glove use by oral healthcare workers with self-reported histories of problems with medical gloves.

Allergens↗
PubMed1996

Can surgical gloves be made thinner without increasing their liability to puncture?

A new process has been used to develop Biogel Super-Sensitive gloves which are thinner but theoretically as strong as standard Biogel gloves. The two types of glove were compared for their effects on manual sensitivity and dexterity in a randomised controlled trial. The Super-Sensitive gloves impaired sensitivity significantly less than standard gloves but made no difference to the ability to tie knots. No statistically significant difference was shown in the resistance to perforation between the two types of gloves. Surgeons who prefer more sensitive but relatively strong gloves should find the new gloves useful.

Equipment Design↗
PubMed1997

Protective gloves for use in high-risk patients: how much do they affect the dexterity of the surgeon?

Twenty-five orthopaedic surgeons underwent eight motor and sensory tests while using four different glove combinations and without gloves. As well as single and double latex, surgeons wore a simple Kevlar glove with latex inside and outside and then wore a Kevlar and Medak glove with latex inside and outside, as recommended by the manufacturers. The effect of learning with each sequence was neutralised by randomising the glove order. The time taken to complete each test was recorded and, where appropriate, error rates were noted. Simple sensory tests took progressively longer to perform so that using the thickest glove combination led to the completion times being doubled. Error rates increased significantly. Tests of stereognosis also took longer and use of the thickest glove combination caused these tests to take three times as long on average. Error rates again increased significantly. However, prolongation of motor tasks was less marked. We conclude that, armed with this quantitative analysis of sensitivity and dexterity impairment, surgeons can judge the relative difficulties that may be incurred as a result of wearing the gloves against the benefits that they offer in protection.

Clinical Competence↗
PubMed1992

Randomized, controlled trial of compression gloves in rheumatoid arthritis.

A randomized, controlled trial was conducted to determine efficacy of the Isotoner and the Futuro compression gloves in 39 patients with hand synovitis secondary to rheumatoid arthritis. After 7 days of nighttime treatment, both brands of gloves were found to decrease subjective symptoms of pain and stiffness (p < 0.05). In addition, swelling of the proximal interphalangeal joints decreased, while range of motion, rate of finger motion, and grip strength all increased (p < 0.05). Compression gloves should be used with caution in patients with bilateral carpal tunnel syndrome, because 12 of 13 such patients experienced worsening of their symptoms following one nighttime wearing of compression gloves. While both gloves were found to be efficacious in improving the signs and symptoms of hand synovitis, neither glove was found to be superior to the other. Patient preferences related to glove composition and fit may ultimately determine which glove to prescribe.

Adult↗
PubMed1989

Toxicity effects of latex gloves on boar spermatozoa.

It is known that several materials used in semen collection have been found to be detrimental to spermatozoal motility. In this study, examinations for toxic effects of latex and vinyl gloves, used with and without talcum powder on boar spermatozoa, were performed. Ten boars of known fertility with >/=80% sperm motility were divided into two groups (n = 5 boars each) for in vitro and in vivo studies. In the in vitro study, semen was collected from each of the five boars and was divided into five separate aliquots (5 ml each). One aliquot from each of the boars remained as the control, while the remaining aliquots were divided into individual treatments exposing the semen to a l cm(2) piece of latex or vinyl glove with or without talcum powder. In the in vivo experiment, semen from each of the five boars was collected using a gloved hand. During collection, the first half of the sperm-rich fraction was collected into a filtered sterile container, while the second half of the fraction was allowed to run through the palm of either a latex or vinyl powdered glove prior to collection in the container. In both experiments, semen sample motility was assessed by two independent observers at 1 minute after exposure. Results of both experiments consistently showed a significant (P<0.05) effect of latex gloves (with or without talcum powder) on boar semen when compared with the control semen. Motility was at or near 0% at 1 min after exposure to latex. No significant difference (P>0.05) in motility was observed between the control semen and the semen exposed to talcum powdered vinyl gloves. These results show that latex gloves are detrimental to boar spermatozoa. Therefore, it is suggested that when collecting boar semen vinyl gloves should be used.

Journal Article↗
PubMed1990

Selection and testing of a glove combination for use with the U.S. Coast Guard's chemical response suit.

A study was sponsored by the U.S. Coast Guard to select a glove system for its chemical response suit that could meet or exceed the chemical resistance performance of the suit's base material. Three different protective glove combinations were evaluated for their permeation resistance to 28 chemicals. The glove combinations were based on three materials--Viton, butyl rubber, and Silvershield. The test chemicals were selected for one of two reasons. First, no single glove material could be identified to be resistant against the chemical of interest, or second, no permeation test data were available for judging glove material performance for the specific chemical. As can be expected, the permeation resistance of the glove combinations greatly exceeded that of the single glove material components. The butyl rubber/Silvershield glove combination was found to provide permeation resistance greater than 1 hr for all but one of the chemicals tested.

Environmental Exposure↗
PubMed1993

Modeling the temperature dependence of N-methylpyrrolidone permeation through butyl- and natural-rubber gloves.

This paper describes the temperature dependence of N-methylpyrrolidone (NMP) permeation through gloves used in microelectronics fabrication facilities. One type of butyl-rubber glove (North B161), two types of natural-rubber gloves (Edmont Puretek and Ansell Pacific White), and a natural rubber/nitrile/neoprene-blend glove (Pioneer Trionic) were tested at four temperatures from 25-50 degrees C using the ASTM F739-85 permeation test method. The butyl-rubber glove showed no breakthrough after four hours of exposure at any temperature. The variations with temperature of measured breakthrough times (BT) and steady-state permeation rates (SSPR) for the other gloves were described well by Arrhenius relationships, with BT values decreasing by factors of 7-10 and SSPR values increasing by factors of 4-6 over the temperature range studied. Extrapolation to 70 and 93 degrees C, the temperatures at which degreasing is often performed, yielded BT values of < 2 min and < 0.5 min, respectively, in all cases. With the exception of the butyl-rubber glove, following an initial exposure at 25 degrees C and air drying overnight, low levels of NMP vapor were detected off-gassing from the inner surfaces of the gloves. Experimental results were then compared to those expected from several permeation models. Estimates of the equilibrium solvent solubility, S, were calculated using a model based on three-dimensional solubility parameters. Estimates of the solvent diffusion coefficient, D, were obtained from correlations with either the solvent kinematic viscosity or the product of the Flory interaction parameter, chi, and the solvent molar volume. Combining these values of D and S in Fickian diffusion equations gave modeled BT estimates that were within 23% of experimental values over the temperature range examined. Modeled SSPR values were within 50% (typically within 25%) of experimental values. Another model based on a generalized Arrhenius relationship also provided useful but generally less accurate estimates of the changes in BT and SSPR values with temperature.

Elastomers↗
PubMed2002

Skin microvascular flow during hypobaric exposure with and without a mechanical counter-pressure space suit glove.

INTRODUCTION: Current space suits are rigid, gas-pressurized shells that protect astronauts from the vacuum of space. A tight elastic garment or mechanical-counter-pressure (MCP) suit generates pressure by compression and may have several advantages over current space suit technology. In this study, we investigated local microcirculatory effects produced with and without a prototype MCP glove. METHODS: The right hand of eight normal volunteers was studied at normal ambient pressure and during exposure to -50, -100 and -150 mm Hg with and without the MCP glove. Measurements included the pressure against the hand, skin microvascular flow, temperature on the dorsum of the hand, and middle finger girth. RESULTS: Without the glove, skin microvascular flow and finger girth significantly increased with negative pressure, and the skin temperature decreased compared with the control condition. The MCP glove generated approximately 200 mm Hg at the skin surface; all measured values remained at control levels during exposure to negative pressure. DISCUSSION: Without the glove, skin microvascular flow and finger girth increased with negative pressure, probably due to a blood shift toward the hand. The elastic compression of the material of the MCP glove generated pressure on the hand similar to that in current gas-pressurized space suit gloves. The MCP glove prevented the apparent blood shift and thus maintained baseline values of the measured variables despite exposure of the hand to negative pressure.

Adult↗
PubMed1988

Effect of wearing gloves on the thermal balance of Korean women wet-suit divers in cold water.

Effect of wearing neoprene gloves on the thermal exchanges of wet-suited divers was studied in 8 Korean diving women. Subjects, clad with 5-6-mm-thick neoprene wet suits (jacket, pants, and boots) either with or without wearing 3-mm-thick neoprene gloves, were immersed for 3 h in water of critical temperature (17.3 degrees +/- 0.8 degree C) while the rectal and skin (chest, leg, arm, and hand) temperatures and oxygen consumption were measured. Overall thermal insulation of the subject plus suit was calculated from the rectal-to-water temperature difference divided by the estimated rate of skin heat loss. The skin heat loss was assumed to equal metabolic heat production minus respiratory heat loss, corrected for changes in heat storage when mean body temperature changed. All measurements were carried out in a resting condition. During the 3rd h of immersion, the rectal temperature was lower with gloves (delta Tre = 0.30 degree +/- 0.04 degree C; P less than 0.05) whereas metabolic heat production was not significantly different. Consequently, the total thermal insulation was nearly 16% lower with gloves than without gloves. In both the hands and forearms, the regional heat flux determined directly using a heat flux transducer was higher and the thermal insulation index was lower with gloves than without gloves. These results indicate that in wet-suited subjects resting in cold (17 degrees C) water gloves do not provide additional protection against heat loss, but rather decrease the efficiency of thermoregulatory mechanisms. We suggest that sensory input from cold receptors in the distal extremities is particularly important in thermoregulation during immersion in cold water.

Adult↗
PubMed1979

Arthritic hand response to pressure gradient gloves.

Five women with osteoarthritis and 10 with rheumatoid arthritis and finger joint involvement wore a pressure gradient glove, a control glove, or no glove in a randomly assigned sequence. All were outpatients. Each patient wore the assigned glove nightly for 1 week, after which a battery of subjective and objective data, including number of tender joints, ring size, grip strength, palmar temperature, and hand function were obtained. In all, 105 separate examinaion sessions were completed over 7 visits, with each hand serving as its own control in the experimental design. The palmar skin temperature was elevated in both patient groups when either a pressure gradient or control glove was worn. In patients with rheumatoid arthritis, the only significant difference was that the pressure gradient glove reduced ring size when compared to the control glove or no glove. No differences were detected in the patients with osteoarthritis.

Arthritis, Rheumatoid↗
PubMed1991

Occult surgical glove perforations in otolaryngology-head and neck surgery.

With the advent of the acquired immunodeficiency syndrome crisis, it has become imperative that all surgeons minimize their risk of direct contact with the patient's body fluids. In the course of performing surgery, perforations are frequently created in surgical gloves, which often go unnoticed. This study determined the frequency with which occult glove perforations occurred in 134 consecutive head and neck surgical procedures. One thousand fifty gloves (650 gloves used in surgery, 400 unused control gloves) were analyzed for the presence of perforations large enough to permit the passage of fluid. An unrecognized glove perforation was detected in 25% of surgical cases. The duration of surgery correlated strongly and positively with the incidence of perforation. Perforation rates varied widely for specific types of procedures, and are reported for each of the five subdivisions within otolaryngology-head and neck surgery. The implications of these results are described, and recommendations for the use of protective measures, especially in reference to the use of double-gloving, are made.

Equipment Failure↗
PubMed1992

Effect of educational program on compliance with glove use in a pediatric emergency department.

OBJECTIVE: To investigate the effect of an educational program on compliance with glove use in a pediatric emergency department. DESIGN: Without their knowledge, participants were observed for routine use of gloves during vascular access procedures before and after an educational program. Participants with up to 3 years' vascular access experience were defined as less experienced and those with 4 or more years' experience were defined as more experienced. Their success rates performing vascular access procedures with and without wearing gloves were also monitored. SETTING: Inner-city pediatric hospital emergency department. PARTICIPANTS: Twenty-three emergency department registered nurses. INTERVENTIONS: A 30-minute lecture with slides, written materials, and posters addressing the reasons and need for universal precautions, and recommended methods of barrier precautions to prevent skin and mucous membrane exposure when handling sharp instruments. MEASUREMENTS/MAIN RESULTS: For the less experienced registered nurses, the compliance rate before the educational program was 70% and remained at about 93% afterward. For the more experienced registered nurses, the compliance rate before the program was only 15%. After the program, this compliance rate rose to 93%, but declined to only 50% by the fifth month. The registered nurses' success rate on the first attempt at vascular access while wearing gloves was 75% compared with 70% without gloves. CONCLUSION: Educational programs can result in a clinically significant increase in glove use by pediatric emergency department registered nurses. Long-term improvement was less pronounced for the group of more experienced registered nurses. We also observed that glove use does not appear to interfere with the proficient performance of vascular access procedures.

Bloodletting↗
PubMed2000

Efficacy of protection by latex gloves during orthodontic therapy.

The wearing of gloves during orthodontic or dental treatment is generally indicated for reasons of hygiene and protection against infection. This study was aimed at determining the extent and localization of perforations caused by the various orthodontic treatment techniques and interrupting the infection barrier. The impermeability was tested by means of a water retention test according to European standard EN 455, Part 1, performed on 1600 Centramed (Centramed, Koblenz), Tekmedic and SafeEx non-sterile disposable latex gloves (both by Safe Med, Switzerland) and Safe Gan latex gloves with an additional acrylate coating (also by Safe Med). The perforation rate in unused gloves was between 0.5% and 7.5%, rising on average to 11% with increasing use. 36% of the total number of lesions resulted from handling removable appliances, and 57% from handling fixed appliances, especially when replacing arch wires and elastics. Most lesions were in the thumb, index finger and palm region. Only 18% of the defects were noticed by the dentists themselves. The gloves worn by beginners in their first year of postgraduate orthodontic training had about twice as many defects as those worn by qualified orthodontists. When patients with an increased risk of infection are to be treated, additional hand disinfection measures should be taken and 2 pairs of gloves worn in view of the relatively unreliable protection offered by commercially available latex gloves.

Chi-Square Distribution↗