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Upper limb amputations and prostheses.

The management of amputations is an important area of surgery of the hand and demands the same measured judgment, global perspective, and technical skill of any other reconstructive procedure. The needs of each patient are different, even when physical losses are similar. In terms of physical impairment, the bilateral hand amputee is a totally different problem than the unilateral. Logical choice requires knowledge of and consideration of all the alternatives, including prosthetic fitting potentials. As surgical procedures often are irreversible, it is important that the best master plan be devised as early as possible. Major reconstructions for the partially amputated hand and prosthetic fitting usually have a remarkably common physical goal--restoration of a simple vise mechanism. Today, this goal must include restoration of a socially acceptable presentation of the constantly exposed hands. To many patients in our mobile and competitive society, the latter will be their greater need. Both active and passive prosthetic devices are functional; they simply meet different needs and each has advantages and disadvantages. The usefulness of motorized units for unilateral amputees remains severely limited as all such devices are "second-thought" mechanisms having no sensory feedback, an indispensable requirement for automatic control. Hand prostheses are playing an increasingly important role in the treatment of amputees. The surgeon charged with primary responsibility of care must be knowledgeable about them. With the rapid changes in our work force and the ever-increasing mobility of our society, it is unrealistic to ignore or deny that a grotesque or badly deformed hand is a serious socioeconomic liability. The needs of each patient are different, but the prosthetic needs of most patients in the future will include mechanically simple devices of socially acceptable appearance.

Amputation, Traumatic↗

Work related diseases and injuries on an oil rig.

The analysis of diseases and injuries in the workers on an American oil rig, operating in the Mediterranean Sea, was done in the period of one year, from 1 May 1996 to 1 May 1997. In total, 518 medical examinations of sick and injuried workers were conducted. At the first place in morbidity, there were injuries and poisonings (26.7% of all registered cases). Then followed musculo-skeletal (17.5%), respiratory (14.2%), gastrointestinal diseases (12.1%), mental disorders (10.3%), nervous system (9.2%), skin (6.5%), urogenital (2.9%) and circulatory system diseases (0.6%). Out of all cases, the hand and finger injuries (48.3%) were most frequent, followed by injuries of the leg (13.4%), eye (11.3%), head and neck (10.1%), arm (7.9%), foot (6.7%) and trunk (2.3%). To reduce the incidence of diseases and injuries, special attention should be paid to the workers' basic medical education, to protective measures and providing first aid at the work site.

Accidents, Occupational↗

[Occupational accidents in the light of the records of the Institute of Social Insurance].

The records of the Social Insurance Institute Department in Poznań have been used as the study material. The area of the study covered the whole province of Poznań. The study included only people employed in the State-controlled economy. Applied in the study have been certificate records of the Social Insurance Institution related to individuals applying for financial benefits and entitled to them as victims of accidents at work (health damage, disability) in 1985. The records of 3119 workers (2380 men and 739 women) were analysed. Accidents at work were found to be 2.8 times more frequent among workmen, as compared to people carrying on other than physical work. The accident rate was higher among men than among women; the difference was more distinctive in physical workers (2.7:1) than in those performing other types of work (1.3:1). 37.5% of all accidents affected the workers who had been accident victims before. A clear weekly rhythm of accidents was observed: most of them happened on Wednesday. 11 o'clock was noted as the most fatal time. Most frequent accidents were: all kinds of falls (28.8%), hand injuries (34.5%), occurring mostly during transportation or when operating a machine. In the majority of cases the accidents resulted in slight health damages; in 23.0% of victims no essential health damages were found, they were the so-called zero damages. Finger injuries occur most frequently in physical workers, whereas injuries of ankle-joints, feet and head--in those performing other types of work.

Accidents, Occupational↗

[Injuries to the extensor tendons of the fingers].

The main risks in case of extensor tendon laceration are firstly, the possibility of misdiagnosis, and secondly the occurrence of adhesions which can compromise the excursion of the extensor apparatus. Extensor tendon lesions at the dorsum of the wrist and hand have a better prognosis regarding the postoperative results than lesions at the finger level. Protected early mobilisation methods represent a real advance in the postoperative management of extensor tendon lesions.

Finger Injuries↗

Delayed sensory reeducation after toe-to-hand transfer.

The effect of a delayed program of sensory rehabilitation was evaluated in 13 patients with a total of 22 toe-to-hand transfers. Each patient was begun on a protocol of sensory reeducation at a mean of 38 months (range 13-98 months) after the transfer. Home rehabilitation, employing a Disk-Criminator (TM) program, was monitored at monthly intervals by the therapist for a mean of 3.3 months, at which time a final evaluation of sensibility was done. Each of the 22 toe transfers improved by an average of 7 mm in static and 6 mm in moving two-point discrimination. The improvement in two-point discrimination following delayed implementation of sensory reeducation was statistically significant at the P < 0.0001 level.

Adult↗

Kinematic analysis of the role of the finger tendons.

In an earlier paper (Storace and Wolf, 1979), the functional anatomy of the finger was studied by considering the equilibrium of tendon forces and externally applied forces. The current work presents an alternative approach which studies the finger's functional anatomy from a kinematic viewpoint. This approach, based on measured tendon displacement, can be used to graphically display the criteria for which normal finger function will exist. Examples of the application of this procedure to normal and non-normal finger conditions are presented to demonstrate its utility.

Biomechanical Phenomena↗

The Pipflex splint for treatment of mallet finger.

A new splint is described for the treatment of mallet finger deformity. The splint is in two separate parts which maintain extension of the DIP joint and flexion of the PIP joint respectively. The results of treatment in 25 patients are presented, and are superior in our hands to those resulting from other methods of splintage. The period of treatment is shorter.

Adult↗