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At least 739 records · Page 41Linked to original sources
PubMed2004

Clinical presentations of patients sensitive to natural rubber latex.

BACKGROUND: Eczematous reactions to natural rubber latex (NRL) have been associated with both immediate and delayed hypersensitivity. OBJECTIVE: To determine clinical cases that might require testing for immediate sensitivity or patch testing for delayed hypersensitivity to latex fabric. METHODS: Patients with suspected sensitivity to NRL were given in vitro testing by radioallergosorbent test (RAST) or ImmunoCAP test and if negative, were prick-tested. If prick-test results were negative and the patients were still available, patch testing was done with latex glove fabric. Case histories of persons with positive results on RASTs, ImmunoCAP tests, prick tests, and patch tests were reviewed for clinical presentation and relevance. RESULTS: Of 92 persons with positive responses, 26 had positive RAST results, 26 had positive ImmunoCAP test results, 33 had positive prick-test results, and 7 had a positive patch-test result. Presentations included hand urticaria or eczema (46 patients), eyelid dermatitis (14), shoe dermatitis (10), atopic eczema (6), waistband dermatitis (5), clothing dermatitis (3), contact eczema to elastic in a mask (2), urticaria to a phlebotomy tourniquet, and eczema over the elbows and from an elastic bandage used for occlusive dressing therapy. Several other presentations were less likely to be relevant. CONCLUSION: Persons with putative contact dermatitis in areas that may come into contact with NRL deserve not only to be patch-tested with rubber chemicals but also to be tested for immediate sensitivity and, if results are negative, to be patch-tested with NRL.

Adolescent↗
PubMed2006

[Dressing and wound care pain].

Wound care is an important step for promoting wound healing. Nevertheless it is also a major source of pain for patients with wounds. The results of a survey showed that not only burn patients but also non-burn ones suffered from wound care pain which occurred in inpatients and outpatients. One of the significant factors causing wound care pain was that the dressing adhered to the wound bed. Although some agencies claimed that particular dressings with low adhesion can result in painless removal, the actual effects needed to be verified. Results of clinical trials revealed that for relieving wound care pain of certain kinds of wound, it was recommended to use particular dressings, such as banana leaf dressing, boiled potato peel bandage, Acticoat, Mepital or Mefix.

Bandages↗
PubMedDate not supplied

[Collagen : physiological approach to skin healing,. Its application to the practical treatment of leg ulcers (author's transl)].

Collagen gel has been studied, during a comparative trial, as a topic for cicatrization on a series of twenty patients with severe leg ulcers rebellious to the usual methods of treatment. A complete healing was obtained in 16 cases out of 20, after a period of 8 to 60 days. Collafilm Gel must only be applied to clean, uninfected wounds. It's action seems noticeable by the appearance of network cicatrization, the mechanism and signification of which is being discussed by the authors.

Adult↗
PubMed1990

Application of freeze-dried amniotic membrane: a control trial at the donor site of split-thickness skin grafting.

Sixty five patients (51 males and 14 females) underwent a control trial of freeze-dried amniotic membrane applied in the form of split-thickness skin grafts over an area from which skin had been surgically removed. The average size of the grafts was 15 x 20 cm. The patients were randomly divided into two groups. In the first group (36 patients), the membrane was applied at the upper half of the wound; in the second group (29 patients), the membrane was applied at the lower half of the wound. The remaining areas of the wounds were covered by antibiotic-impregnated fine-mesh greased gauze. Pain, infection, and the progress of healing were monitored. Covering the wound with the amniotic membrane had good results in terms of pain reduction, but the promotion of healing and the prevention of infection were not demonstrated. Hyperemia and hypertrophic scar responses to the membrane in some cases were considered as disadvantages.

Adolescent↗
PubMed1990

Skin substitutes in upper extremity burns.

Four techniques for permanent skin replacement with skin substitutes are described. A claim of superiority to conventional skin grafting on upper extremity and hand burns is not made, but some clinical observations and histologic evidence of different healing characteristics are shown. The composite grafts described appear to effectively replace the bilayered structure of skin and seem to have good subjective resistance to shear forces. If the skin replacement is durable and heals with less scarring than conventional skin grafts, the inexorable course to stiffness and contracture may be altered. Further basic science and clinical investigation may provide us with a better way of managing these difficult problems.

Bandages↗
PubMed1990

Oxygen permeability of collagen shields.

The oxygen permeability (Dk) of ten 24-hr collagen shields was measured directly by polarographic methodology at approximately 2 hr of hydration. Edge and boundary effects were included in the calculations. Dk was found to be approximately 26 x 10(-11) cm ml O2/sec ml mmHg at 35 degrees C. Mean water content of the shields was 65.7% (SD = 1.0%) as measured by a hand refractometer. Therefore, the projected oxygen transmissibility of collagen shields is expected to be compatible with normal corneal metabolism.

Bandages↗
PubMedDate not supplied

Porcine collagen corneal shield treatment of persistent epithelial defects following penetrating keratoplasty.

Treatment of persistent epithelial defects following penetrating keratoplasty (PK) can be difficult. The use of a 24-hour porcine collagen corneal shield (Bausch & Lomb) to promote epithelialization of these cases was compared to the use of the hydrophilic bandage soft contact lens (Bausch & Lomb, plano O4). Twenty-three consecutive patients treated for persistent epithelial defect following PK were reviewed. Sixteen of 22 (73%) treated with a bandage soft contact lens healed completely. None of seven patients with persistent epithelial defect treated with collagen shield therapy healed. Six of these seven patients were subsequently treated with a bandage soft contact lens; five (83%) healed with this therapy. These data suggest that the 24 hour collagen corneal shield is not useful in treating persistent epithelial defect following PK and that a bandage soft contact lens is significantly more effective (P less than 0.01) in these cases.

Adult↗
PubMed1990

The effect of collagen shields on rabbit corneal reepithelialization after chemical debridement.

We evaluated the effect of precarved collagen lenses on the kinetics of epithelial wound healing in an experimental model of corneal erosions. After induction of anesthesia, central corneal erosions of 5-mm diameter were created in New Zealand white rabbits using n-heptanol. Animals were randomly assigned either to the treatment group or to one of three control groups. Each animal in the treatment group received a precarved collagen shield made from porcine sclera. Immediately after creation of the corneal epithelial defects, topical fluorescein sodium was applied, and the corneas were photographed. Similar follow-up examinations were conducted at 5, 24, 30, 48, 72, and 96 hr after defect creation. Epithelial defect areas were calculated by projecting the photographic slides onto a computerized digitizing pad. Reepithelialization kinetics were compared for the four treatment groups. When initial wound size was taken into account, no significant difference between mean reepithelialization rates was noted. These results indicate that collagen lenses do not adversely affect the speed of corneal reepithelialization, and may, because of their documented biodegradibility and drug delivery capability, be useful in the clinical management of corneal epithelial erosions.

Analysis of Variance↗