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At least 379 records · Page 21Linked to original sources
PubMed1995

Assessing clinical efficacy of a hydrocolloid/alginate dressing on full-thickness pressure ulcers.

An absorbent hydrocolloid/alginate spiral dressing and a hydrocolloid secondary dressing were used in the management of 30 patients with 30 exuding State III and IV pressure ulcers. After a mean treatment time of 12.9 days (SD 6.5), all wounds had a significant increase in the amount of granulation tissue/epithelium and a decrease in the amount of devitalized tissue (p < 0.05). Wounds that underwent wide surgical debridement prior to the study were covered with 15 percent fibrin slough at study entry versus 39 percent for non-debrided wounds (p < 0.05). The dressing combination facilitated wound contraction and removal of fibrin slough in ulcers that were surgically debrided prior to the study. Ulcers which had not been surgically debrided expanded as autolytic debridement reduced the amount of fibrin slough/necrotic tissue present at the wound bed (Mean: 17.6 percent, p < 0.05). The absorbent spiral dressing helped manage exudate, was easy to use and comfortable for the patients. The average time between dressing changes in these exuding wounds was 1.56 days (SD = 0.95). Use of air-fluidized bed or mattress was found to significantly reduce wear time of the dressing (p < 0.01). Further studies are needed to confirm short-term, and evaluate long-term effects of this dressing combination on healing and debridement.

Adult↗
PubMed1996

[Radiation load on the skin using a silicone-coated polyamide wound dressing during photon and electron radiotherapy].

BACKGROUND: Silicone-coated polyamide wound dressing is frequently used for the supportive treatment in patients with radiation induced skin lesions. The use of this kind of dressing during radiotherapy with high energy beams shifts the dose built-up effect towards the skin surface. Thus the dose delivered to the skin increases. The present work quantifies changes of the skin dose by a commercial silicon-coated polyamide wound dressing. The dependence on the beam quality and on different treatment techniques is investigated. PATIENTS AND METHODS: Measurements were performed with photon (60Co, 6 MV, 42 MV) and electron (7 MeV, 20 MeV, 40 MeV) beams using thin LiF thermoluminescence dosimeters (TLD) in a perspex phantom. The beams were directed perpendicularly to the phantom surface. For 60Co and 6 MV photon beams the skin dose was evaluated in vivo at different beam arrangements and at a given reference dose. RESULTS: For 60Co, 6 MV and 42 MV photon beams wound dressing caused a dose increase on the surface of the perspex phantom by a factor of 1.65, 1.39 and 1.33 respectively. Using oblique or rotational techniques for 60Co and 6 MV photon irradiation the wound dressing increased the skin dose but less compared to perpendicular beam direction. For electron beams the skin dose is relatively high (from 84% to 92%) and an increase by a dressing has no clinical relevance (factor 1.03 to 1.05). CONCLUSION: The silicone-coated polyamide wound dressing causes no relevant skin dose increase during radiation treatment with electron beams and can be left on the skin during irradiation. During radiation treatment with photon beams like 60Co and 6 MV the protective procedure should be adapted to skin changes, in case of strong skin reactions a removal during the time of irradiation should be considered.

Bandages↗
PubMed1997

[The white coat in pediatrics: link between medical history and preference for informally dressed physicians].

OBJECTIVE: To find out if children show a preference for a doctor in a white coat or an informally dressed doctor, and what factors influence this preference. Further to determine if children show a preference for a physician of their own or of the other sex. METHOD: A series of 20 pairs of photographs showing varying combinations of a male and a female doctor in a white coat or in informal dress was presented to test subjects: 37 children without a medical history, 28 children with a minor and 16 with an extensive medical history, aged between 6 and 12 years. Out of each pair of photographs, the test subjects were invited to choose the doctor they would prefer. RESULTS: On average, the test subjects opted for a doctor in a white coat more often than for an informally dressed doctor (p < 0.05). There was a significant difference in dress preference between children with a less and with a more extensive medical history (p = 0.001): children with no medical history more often chose a doctor in a white coat. Children with an extensive medical history more frequently showed preference for informal dress. The children opted more frequently for a doctor of their own sex (p < 0.001). CONCLUSION: The preference of children for a doctor in a white coat or for an informally dressed doctor depended on their medical history. The more extensive the medical history, the more the preference shifted to an informally dressed doctor. Also, the children preferred a doctor of their own sex.

Adult↗
PubMed1990

Occlusive dressings: a microbiologic and clinical review.

This review discusses the microbiology of normal skin and wounds and examines the rates of infection reported under both conventional (nonocclusive) dressings and all occlusive dressings, together with cost factors. The overall infection rate under conventional dressings was 7.1% in 1085 wounds, whereas under occlusive dressings on 3047 wounds the rate was 2.6%. In studies in which the two dressing types were directly compared, the respective rates were 7.6% and 3.2%. The reasons for this difference may include both dressing-specific and host-specific factors, and these factors are discussed.

Biological Dressings↗
PubMed2006

Silver based wound dressings and topical agents for treating diabetic foot ulcers.

BACKGROUND: Foot ulceration affects 15-20% of people with diabetes. It is a major precursor to amputation in this patient group, and early and appropriate treatment provides the greatest opportunity for healing. The use of silver for its antimicrobial properties has re-emerged, and modern wound dressings that release a sustained amount of free silver ions, are now widely used in wound management. OBJECTIVES: To evaluate the effects of silver-containing dressings and topical agents on infection rates and healing of diabetes related foot ulcers. SEARCH STRATEGY: Searches were made of the Cochrane Wounds Group Specialised Register (August 2005), the Cochrane Central Register of Controlled Trials (CENTRAL, The Cochrane Library Issue 3 2005) MEDLINE (1966 to October week 2 2004), EMBASE (1980 to October week 2 2004) and CINAHL (1982 to October week 2 2004). The Journal of Wound Care (Volume 12/13 Issues 1-10) was hand-searched. Manufacturers, researchers and local and international wound groups were contacted in order to identify unpublished trials. Web sites for wound groups and World Wide Wounds (www.worldwidewounds.com) were searched. SELECTION CRITERIA: Randomised controlled trials and non-randomised controlled clinical trials were considered for inclusion. Studies were included if they involved participants with Type 1 or Type 2 diabetes and related foot ulcers, met the requirements for randomisation, allocation and concealment where appropriate, and compared the intervention with a placebo or a sham dressing, an alternative non silver based dressing or no dressing, and reported outcomes that represent healing rate or infection. DATA COLLECTION AND ANALYSIS: Two authors independently evaluated the papers identified by the search strategy against the inclusion criteria but identified no trials eligible for inclusion in the review. It was not possible to perform planned subgroup and sensitivity analysis in the absence of data. In future, if eligible trials become available, a random effects model will be applied for meta-analysis in the presence of statistical heterogeneity (estimated using the I(2) statistic). Dichotomous outcomes will be reported as risk ratios with 95% confidence intervals (CI), and continuous outcomes as weighted mean differences (WMD) with 95% CI. Statistical significance will be set at P value < 0.05 for all outcomes and the magnitude of the effect will be estimated by calculating the number needed to treat (NNT) with 95% CI. MAIN RESULTS: No studies were identified that met with the inclusion criteria AUTHORS' CONCLUSIONS: Despite the widespread use of dressings and topical agents containing silver for the treatment of diabetic foot ulcers, no randomised trials or controlled clinical trials exist that evaluate their clinical effectiveness. Trials are needed to determine clinical and cost-effectiveness and long term outcomes including adverse events.

Administration, Topical↗
PubMed1987

Controlled trial of occlusive dressings in healing chronic venous ulcers.

Fifty-six patients with chronic venous ulcers present for a mean of 2.4 years were randomized to either a new occlusive hydrocolloid dressing (Granuflex, Squibb Surgicare) or a porous non-adherent dressing (N A, Johnson and Johnson). In all patients, dressings were applied beneath a standard graduated compression bandage. There was no difference between the two groups, with complete healing in 21 out of 28 (75 per cent) of occlusive dressing patients and 22 out of 28 (78 per cent) with N A dressings by 12 weeks. Careful graduated compression bandaging achieves healing even in the majority of so-called resistant chronic venous ulcers; there was no additional benefit from applying occlusive dressings which tend to be expensive.

Adult↗
PubMed1992

Fabrication and characterization of an asymmetric polyurethane membrane for use as a wound dressing.

To prevent wound dehydration and bacterial penetration, a wound dressing should be occlusive, but on the other hand it should also be permeable for wound exudate to prevent bullae formation. To meet these requirements a new type of polyurethane wound dressing which consists of a microporous top layer (pore size less than 0.7 mum) supported by a sublayer with a highly porous sponge-like structure containing micropores (pore size less than 10 mum) as well as macropores (pore size: 50-100 mum) was designed. The pores of both layers are interconnected and form a continuous structure in the membrane. Membranes according to this design were prepared either by means of a two-step or by means of a one-step casting process. Both fabrication methods are based on phase inversion techniques. Asymmetric polyurethane Biomer membranes prepared by the two-step casting process were tested in vivo as full thickness skin substitutes using guinea pigs. Neither wound dehydration nor infections were observed while the drainage capacity of the wound dressing was effective in preventing bullae formation. Furthermore the wound dressing remained firmly adhered to the wound surface during the whole process of wound healing. In contrast to all other commercial wound dressings currently available the polyurethane wound dressing applied on excised clean wounds did not need to be replaced during healing but could be left on the wound until full regeneration of the skin had taken place after which it was spontaneously repelled.

Animals↗
PubMedDate not supplied

Gauze vs. plastic for peripheral intravenous dressings: testing a new technology.

The authors conducted a randomized, prospective, controlled trial of three different dressings for peripheral intravenous catheters in 301 acutely ill medical inpatients. Catheters were dressed with dry clean gauze or one of two brands of transparent plastic. The gauze dressings remained in place significantly longer (47 hours median) than either Uniflex (39 hours) of Tegaderm (32 hours) transparent plastic dressings (p = 0.026). Catheters were removed for complications (inflammation, mechanical failure, or infiltration) in 35% of the gauze group, compared with 58% of the Uniflex group and 48% of the Tegaderm group (p = 0.015). Not only were inflamed venipuncture sites seen less often with gauze, inflammation occurred later (p = 0.002) and with lesser severity. Dry gauze dressings resulted in longer catheter life, lower complication rates, and less expense than transparent plastic dressings for peripheral intravenous catheters.

Catheters, Indwelling↗
PubMed1983

The effect of occlusive dressings on collagen synthesis and re-epithelialization in superficial wounds.

The effects on superficial wounds in domestic pigs of (1) two different occlusive dressings, (2) non-occlusive wet to dry gauze dressings, and (3) air exposure were compared. Collagen synthesis and re-epithelialization were increased in the wounds treated with occlusive dressings. Re-epithelialization was increased beneath both the oxygen-impermeable and the oxygen-permeable dressing. When they were removed the wet to dry gauze dressing and one of the occlusive dressings often damaged the new epidermis.

Adhesives↗
PubMed1985

Principles of burn dressings.

Throughout history burn wounds have been treated by covering with dressings of many different materials. The successful application of a burn dressing remains an objective for biomaterial development. This paper examines how the burn wound differs from other skin injuries, the requirements of the ideal burn wound dressing, and reviews the type of dressings available. The dressings in common use in the treatment of burns are compared with the 'ideal' dressing, in so far as it can be defined.

Bandages↗
PubMed1991

Wound infection under occlusive dressings.

It is often supposed that occlusive dressings potentiate wound infection. However, even though heavy colonization by skin and wound flora is often seen under certain types of occlusion, clinical infection is not a frequent occurrence. Commensal wound flora consists of a variety of Gram-positive and Gram-negative organisms and fungi which do not appear to be detrimental to healing. Certain aspects of wound healing may in fact be promoted by bacterial colonization, although clinical infection can lead to wound breakdown and systemic infection. Wounds compromised by devitalized tissue, drains or sutures are more susceptible than clean wounds to clinical infection. Occlusive dressings may help prevent infection by presenting a barrier to potential pathogens, and hydrocolloid occlusive dressings have been shown to prevent dissemination of methicillin-resistant Staphylococcus aureus. The rate of clinical infection as deduced from published trials of dressings is lower under occlusion than when non-occlusive dressings are used, and this is likely to be a result of normal activity of the host defences under occlusive dressings.

Bacteria↗
PubMed2006

Use of a new hemicellulose dressing (Veloderm) for the treatment of split-thickness skin graft donor sites A within-patient controlled study.

A multi-centre, open, within-patient controlled study was performed on 23 adult burnt patients to investigate the effectiveness, safety and tolerability of Veloderm in comparison with Algisite M and Jaloskin in split-thickness skin graft donor site care. The areas dressed with Veloderm completely healed within 10-13 days in a significant higher proportion than the other two dressings (47.6% for Veloderm versus 26.3% for Algisite M and 10% for Jaloskin, P<0.03), showing during the whole study less incidence of exudates and of peri-lesional erythema. The aesthetic outcome of the treated lesions after healing was significantly better for Veloderm (P=0.0016). Veloderm) and Jaloskin required very few renewals of the medication during the first week of treatment, while Algisite M needed several multiple re-dressings. Veloderm was judged better than the other two treatments as far as the acceptability (P<0.001), ease of use (P<0.001) and efficacy (P<0.00001). Both pain during application or at removal of dressings and local infections were negligible with all treatments. No scars were formed in any skin donor site. In conclusion Veloderm is a safe and effective dressing for the re-epithelialization of the skin graft donor sites: it showed higher activity than the other two compared dressings.

Adult↗
PubMed2003

Occlusive wrap dressing reduces infection rate in saphenous vein harvest site.

BACKGROUND: Infection in the saphenous vein harvest site is a common problem. We developed an occlusive circumferential wrap dressing technique that reduces skin edge tension, eliminates dead space, and prevents external contamination. We compared the surgical site infection rate using the wrap dressing technique with that of standard longitudinal dressings. METHODS. One hundred fifty-two consecutive patients were randomly assigned to receive either standard dressings or the wrap dressing. Data were collected in the hospital and then 4 to 6 weeks postoperatively. Superficial and deep wound infections were defined by the standard criteria from the Centers for Disease Control and Prevention. RESULTS: The infection rate in the wrap group was 14% compared with 35%, for the standard group (p = 0.006). Multivariate analysis showed that wrap technique was the only significant predictor (negative) of infection (odds ratio, 0.19; p = 0.001). CONCLUSIONS: In saphenous vein harvest wounds, the occlusive wrap dressing technique has the potential to reduce the rate of infection by 50%. This simple and inexpensive technique is also readily applicable to the radial artery harvest site in the arm and may provide similar benefit.

Aged↗
PubMed1998

A silicone-coated nylon dressing reduces healing time in burned paediatric patients in comparison with standard sulfadiazine treatment: a prospective randomized trial.

Mepitel is a new grid like silicone coated nylon dressing containing no additional biological compounds. We describe a prospective randomized pilot study comparing Mepitel to the standard silver sulfadiazine cream (Flamazine) dressing for the topical treatment of paediatric burns. Seventy-six children presenting within 24 h of injury with a non previously treated burn were randomly assigned to Mepitel treatment (group M) or Flamazine treatment (group F). Age, sex, surface area of burn and causal agent were noted at admission. The depth of the burn, cumulative number of dressings, presence or absence of a complete epithelial cover, infection, bleeding and allergy were noted at each dressing change. There were 41 children in group M and 35 children in group F. Five children were subsequently withdrawn from each group because they required skin grafting. Analysis of the above mentioned criteria showed no statistical difference between the two groups except for the healing time (group M: 7.58+/-3.12, group F: 11.26+/-6.02, p < 0.01) and the number of dressings (group M: 3.64+/-1.5, group F: 5.13+/-2.9, p < 0.05). Mepitel has proved to be an easy-to-remove dressing, adhering only to intact skin. The faster healing time found in the Mepitel group may be related to a direct effect of silicone on epithelial growth or to a decrease in surface-cell damage compared to the silver sulfadiazine group. This attractive product will be further assessed on a larger scale trial to confirm our observations.

Adolescent↗
PubMed1997

Do dressings with increased permeability reduce the incidence of central venous catheter related sepsis?

The incidence of catheter-related sepsis associated-with the use of Tegaderm or Opsite IV3000 dressings on 100 critically ill patients with liver disease was studied. All the patients had central venous catheters in situ and they were randomly assigned to one of the two dressings. In this study the sites of insertion were assessed at each dressing change, together with any fluid under the dressing. No statistically significant difference between the two dressings was found in accumulation of fluid, skin microbial colonization, local infection or systemic infection of patients in our sample. There was no apparent advantage to using the more permeable Opsite IV3000 dressing.

Adolescent↗
PubMed2004

A pilot study of the reaction forces at the heel during walking with the application of four different wound dressings.

A laboratory investigation was conducted to ascertain the shock-absorbing properties of four wound dressings applied to the heel area of a convenience sample of volunteers. Four subjects walked across a force plate. Data were recorded for each subject barefoot, and then while the subject had a wound care dressing stuck to the plantar aspect of their heel. Eight trials were undertaken in the five different conditions resulting in 40 trials per subject. The results suggest that one dressing, Allevyn (Smith and Nephew Healthcare Ltd, Hull, UK), when compared to other dressing materials, exhibits similar reaction forces to the normal barefoot walking data for all subjects. However, results from the anterior posterior force show no major differences across the dressings when compared to barefoot walking. Wound care dressings that have an inherent shock-attenuating property may be advantageous when dealing with areas of the foot that come under excessive force.

Biomechanical Phenomena↗
PubMed1993

The value of head dressings for middle ear surgery.

A prospective trial was performed to ascertain the value of head dressings in the post-operative management of patients undergoing middle ear and mastoid surgery. One hundred consecutive patients were randomly allocated to a head dressing or no head dressing group after wound closure. Nine patients in the head dressing group developed a wound complication as opposed to four patients in the no head dressing group. The application of a pressure dressing following middle ear and mastoid surgery is unnecessary and may contribute to increased wound morbidity.

Adolescent↗
PubMed1995

Comparison of the repair of permanent tympanic membrane perforations by hydrocolloidal dressing and paper patch.

Thirty consecutive patients with permanent perforations of their tympanic membranes (TM) present from 2.5 to 50 years (mean 18.7 years) were admitted to a prospective study using two alternative methods of dressings for closure of the perforations. An adhesive-coated hydrocolloid material was compared with a conventional dressing of vaseline impregnated rice paper patch after de-epithelialization of the perforation border. Nine of the permanent TM perforations (30 per cent), five with the hydrocolloidal dressing and four with the rice paper patch had healed when followed-up after one year. The size of eight of the central perforations that had healed was equal to or less than 25 per cent of the TM. Also one perforation with a size of 65 per cent had healed. Seven perforations were located in the posterior part of the TM: four in the posterior-superior quadrant, one in the inferior quadrant, one had engulfed the posterior half of the TM and one included the anterior-inferior quadrant. Only two perforations out of 14, with a size of 25 per cent or less, located in the anterior-inferior quadrant, healed. No significant difference was demonstrated between the two types of dressings. Both groups noted an immediate improvement in hearing of 10.8 and 9.3 dB, respectively, after application of the dressing. The study demonstrates that application of an occlusive dressing or paper patch in 30 per cent of patients can promote the healing of long-standing perforations. The chances for healing are better if the perforation is located in the posterior part of the TM. This simple technique immediately improved hearing and should be tried before a patient is referred for myringoplasty surgery.

Adolescent↗