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At least 1,045 records · Page 58Linked to original sources
PubMed1986

Induced vasodilation in the treatment of posttraumatic digital cold intolerance.

Induced vasodilation was used in 10 patients with posttraumatic cold intolerance. Eight of 10 patients improved. Before the treatment program and cold exposure, the injured digits were an average of 1.5 degrees C cooler than the control digits. After cold exposure, the mean temperature difference was 3.2 degrees C. At the conclusion of the study, the temperature differences between the injured and control digits were an average of 0.1 degree C before cold stress and 1.0 degree C after. Associated with this measured improvement was an improvement in cold tolerance. This was maintained 1 year later by 67% of the patients. One year after the completion of this study, nine patients were treated at home on a less controlled program with improvement in 67% of patients.

Adaptation, Physiological↗
PubMedDate not supplied

Cold injury from pressurized liquid ammonia: a report of two cases.

Patients exposed to pressurized liquids or gases present unique diagnostic and treatment challenges to the Emergency Physician. The potential for injury depends upon the properties of the chemical in addition to the thermodynamic effects from exposure to a pressurized substance. We present two cases of exposure to pressurized ammonia during an industrial accident. One patient's symptoms were consistent with an ammonia alkali burn, whereas the other patient's symptoms were more characteristic of a significant thermal injury caused by the rapid expansion and evaporation of a pressurized liquid.

Ammonia↗
PubMed1996

Nerve conduction velocity in human limbs with late sequelae after local cold injury.

Cold-induced neuropathy may play a dominant role in the long-term sequelae with cold sensitivity after local cold injuries (LCIs). Somatosensory functions were assessed and nerve conduction velocity (NCV) and motor distal delay (MDD) were measured in the limbs of 31 Norwegian former soldiers with persistent cold intolerance 3-4 years after the primary LCI. NCV measurements were performed in 24 lower and 16 upper extremities. NCV was related to degree of overall subjective complaints quantified by means of a visual analogue scale (VAS). Motor (MNCV) and sensory conduction velocity (SNCV) in the lower extremities and SNCV in the hands were significantly decreased compared with controls. MDD was pathologically increased in the feet. NCV of the forearms ranged from normal to significant reduction. The more pronounced effect on the lower extremities may be caused by deeper cooling of the calves compared with forearms for several reasons. No significant associations were found between VAS and NCV except for the right median nerve. NCV measurements may provide objective findings in cold-injured patients and in those with few or no conspicuous clinical signs.

Adult↗
PubMed2005

[Improved fixation of finger prostheses by means of intramedullary titanium anchors and magnets].

BACKGROUND: A small series of patients with traumatic amputation of fingers have undergone treatment with a new technique using endomedullar osseointegrated titanium implant device that magnetically holds the finger prosthesis. METHODS: A two-stage reconstruction procedure with endomedullar osseointegrated titanium implants was performed to attach a finger prosthesis to the proximal, middle and distal phalanx. The first stage included implantation of the titanium fixture into the medullary cavity canal of the phalanx. After a 2-month rest period to allow the fixture to firmly osseointegrate with the phalanx of the bone, a skin-penetrating titan-magnetic abutment was placed on top of the fixture, to which the prosthesis was firmly attached. RESULTS: Good stability could be achieved using an endomedullar osseointegrated prosthesis. Easy handling is possible with the magnetic connection between finger and prosthesis. In the clinical use were no complications observed. We observed no infections and no problems with the soft tissue. CONCLUSIONS: The combination of osseointegrated titanium implants and magnetics for finger prosthetics provides several advantages. Such as stable fixation of the prosthetic finger to the bone, restoration of some sensory feedback with better osseoperception as well as an excellent cosmetic result.

Adult↗
PubMed1997

[Exitus letalis caused by liquid nitrogen].

A 24-year old student died from asphyxiation while filling flasks with liquid nitrogen. The upper and lower extremities and the back were frozen. The face, ears and neck were livid with a horizontal line of demarcation. A few wide ventricular complexes were seen in the initial ECG, followed by asystole. The patient's trachea was intubated, his lungs ventilated with 100% oxygen and CPR initiated. The site of larynx and pharynx were without pathological findings. 250 ml of a crystalloid solution were infused into the external jugular vein. It was not possible to measure the body temperature. Venous blood gas analysis showed a metabolic acidosis and hyperkaliaemia. CPR was terminated after 90 minutes. Own protection is most important for the rescue team if a nitrogen atmosphere is expected.

Adult↗
PubMed1992

Arctic first aid.

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Arctic Regions↗