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At least 1,027 records · Page 57Linked to original sources
PubMed1999

Effect of stretch on the ultraviolet spectral transmission of one type of commonly used clothing.

The spectral ultraviolet (UV) transmission through stockings was measured in field and laboratory based trials using a spectroradiometer. From these spectral UV measurements, the ultraviolet protection factor (UPF) was calculated. The UPF of stockings measured in the field was generally higher than that measured in the laboratory when using a quartz tungsten halogen light as the UV source. The UPF of 50 denier stockings decreased 868% when stretched 30% from their original size. Doctors recommending and patients using high denier stockings for patient photoprotection should be aware of the dramatic decrease in UPF when the stocking is in a stretched position, such as over a human leg.

Clothing↗
PubMedDate not supplied

The role of protective lead clothing in reducing radiation exposure rates to personnel during equine bone scintigraphy.

Bone scintigraphy is often used in horses because of its sensitivity and noninvasive nature. A 99mTc labeled radiopharmaceutical is injected at a dose of between 5.7 and 7.3GBq. Images are acquired immediately postinjection and 2-4h post. People are often in the room with the horse during the acquisition process. Objectives of this study were to (a) document the radiation exposure rates at different distances from various sites of the horse at varying times post injection and (b) study the usefulness of wearing lead aprons to reduce exposure rates to personnel. Radiation exposure rates were measured in at three distances (at skin surface and at 30 and 100 cm from the skin) from three sites (shoulder, thorax, and pelvis) in 19 horses. Exposure rates were measured with and without shielding by a 0.5-mm lead equivalent apron during both the pool and delayed phases. A 0.5mm equivalent lead apron significantly decreases radiation exposure (P<0.05) at these three distances from the three sites during both image acquisition phases. Mean dose reduction factors from the lead apron range from 3.6 to 5.7.

Animals↗
PubMedDate not supplied

Streptokinase versus alteplase and other treatments for acute and delayed thrombolysis of blood stains in clothing.

OBJECTIVE: To assess the usefulness of heparin, alteplase, and streptokinase in removing blood stains. DESIGN: Randomised controlled trial. SETTING: Hospital laundry. INTERVENTIONS: Blood stains were allocated to treatment with alteplase, streptokinase, heparin, a commercial enzymatic stain remover, or no treatment at all after three or seven hours and then washed in hot or cold water two hours later. RESULTS: Both hot water and early treatment were strongly associated with improved stain removal. All four treatments were associated with a worse outcome than no treatment at all, although for streptokinase this trend did not reach significance. The commercial stain remover gave the worst results of all treatments tested. CONCLUSIONS: Contrary to popular wisdom, hot water is much more effective than cold in removing blood stains. Methodologically rigorous research and evidence based principles are needed within the laundry industry, and the role of thrombolytic drugs should be assessed further.

Blood Stains↗
PubMed2000

Chemical protective clothing; a study into the ability of staff to perform lifesaving procedures.

OBJECTIVE: To investigate the ability of medical and nursing staff to perform certain tasks while wearing a chemical protection suit with a respirator. Tasks chosen were those that would be required before decontamination. METHODS: Ten experienced accident and emergency doctors (middle grade and consultants) and 10 nurses were asked to perform certain tasks that were judged to be life saving, relevant to triage, or necessary to confirm death, on an advanced life support manikin, while wearing a TST-Sweden chemical protection suit. The operators were objectively assessed by one of the authors for achieving each task, then asked to make a subjective assessment of the difficulty experienced. RESULTS: Medical staff were asked to ventilate the manikin using a bag-valve-mask, intubate within 30 seconds, apply monitor electrodes and cables and check cardiac rhythm, apply gel pads and defibrillate safely, and finally, fold the cruciform triage card to show "RED", and attach it to the manikin. All the doctors completed these tasks, except for one, who could only intubate the manikin after several attempts. Nursing staff were asked to open and apply an oxygen mask, adjust oxygen flow, size and insert an oropharyngeal airway, ventilate the manikin using a bag-valve-mask, apply a pressure bandage to a limb, and fold the cruciform triage card to show "YELLOW", and attach it to the manikin. All the nurses completed these tasks. Operators reported varying degrees of difficulty, the most difficult tasks were those requiring fine movements or delicate control. Generally, operators found the butyl rubber gloves cumbersome. Communication difficulties were frequently reported. Although only intubation was formally timed, tasks were perceived to take longer. Some operators found the suits too warm and uncomfortable. CONCLUSION: Should the need arise, the TST-Sweden chemical protection suits would enable experienced doctors and nurses to perform lifesaving measures effectively, without significant impairment to their skills. Tasks would be easier to accomplish with better fitting gloves.

Accidents↗