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Biomedical subjects

W Bonte

Publications and source records attributed to W Bonte.

At least 55 records · Page 3Linked to original sources
PubMed1986

[Problems in the evaluation of electrocution fatalities in the bathtub].

Forty-eight cases of electrocution in the bathtub are reported which were recorded in Düsseldorf and Göttingen from 1972 to 1986; 19 cases were established to be suicides, with a sex ratio of 1:3 in favor of females. Marks of electricity were found in 8 cases. Five other cases were distinguished by linear marks indicating the water level, and in 10 cases a peculiar restriction of the postmortem hypostasis on the submersed areas could be seen. We presume from our own material that the latter findings can be easily ignored. As linear, circumscribed lividity could not be detected in bath deaths without electricity, it may be a specific finding. We recommend that more attention be paid to this phenomen. In all of our cases, 220 V current was involved, i.e., the usual household supply. The calculated amperage was about 100 to 250 mA, which means that ventricular fibrillation occurred within a few seconds. In 14 cases foam was established at the mouth and the nostrils, or in the air passages. We presume that, in these cases, death by electrocution was finally superimposed by drowning without developing the typical emphysema aquosum.

Accidents, Home↗
PubMed1984

[Injuries caused by accidents with chain saws].

Accident reports and medical statements (a total of 719) concerning chain-saw injuries were evaluated. Chain-saw wounds can be found in all parts of the body, especially the thighs and fingers. The typical chain-saw wound is a multiple superficial laceration, soft tissue wounds are usually heavily bruised and jagged , and bone lesions are rare and superficial. Among 188 finger injuries, only 15 slight bone lesions were seen. The frequency of all injuries decreases as one progresses from the thumb to the little finger and from the finger tip to the finger. The more proximal the isolated finger injury, the more frequently is it diagonal or even longitudinal. Incomplete or complete finger amputations were not observed.

Accidents, Home↗
PubMed1983

Self-mutilation and private accident insurance.

During the past few years in the Federal Republic of Germany, there has been a continuous increase in deliberate self-inflicted damage with the aim of defrauding insurance companies. This paper concerns itself with amputations of the finger(s) caused by axes, electric saws, and blunt force. The difficulty of proving an intentional injury is shown, and suggestions for a procedure for making a report are given.

Amputation, Traumatic↗
PubMed1982

[Accidental circular saw injuries].

Two hundred twenty-six accident reports and medical statements concerning circular-saw injuries were evaluated. All injuries occurred on hands. Left and right hands were hurt share and share alike. Among the 125 isolated one-finger injuries an obvious stepwise decrease in frequency from thumb to little finger and from fingertip to finger basis was found. The more proximal the wound lay, the more frequent a localization diagonal or parallel to finger axis was registered. Most accidents hurt skin or soft tissue. Bone lesions occurred less frequent and were characterized by splinters or fractures instead of cuts. Subtotal or total amputations were described in some cases. All lay on fingertips. Nearly the same was seen in two-finger cases. Among three- to five-finger injuries (often diagonal) a few cases of total amputation at the base phalanx were described. The severeness of injuries increases with the number of fingers hurt. A complete cut-like sharp-edged amputation was never seen in the material presented.

Accidents, Home↗
PubMed1980

[Lethal barium sulfate embolism after accidental vaginal application (author's transl)].

The case of a 63-year-old woman is presented to whom a barium sulfate enema was administered accidentally into the vagina. During inflation of the stop manchette a deep bilateral laceration of the vaginal mucosa occurred which was neglected initially. Thus, venous vessels were ruptured and the subsequent insufflation of the barium sulfate suspension resulted in a direct injection to the afferent veins and a peracute, massive pulmonary embolism. Within 1 min irreversible heart failure followed. The case differs in some aspects from two similar cases referred to in the literature, where death occurred 15 h and 3 days, respectively, after enema.

Barium Sulfate↗
PubMed1979

[Identification and significance of delta-aminovaleric acid in putrefaction materials (author's transl)].

During former putrefaction experiments regularly a proteogenic substance has been found which by means of modern analytical methods now was identified as delta-aminovaleric acid (DAVA). DAVA seems to appear in guinea pig as well as human organs and some body fluids under experimental conditions never before the 3rd (20 degrees C) to 5th day (10 degrees C). It is characterized by statistically significant increases until the end of the 2nd (20 degrees C) to 5th week (10 degrees C) and relatively stable values thereafter. Considering storage temperature measurement of DAVA concentration can be of relevance for the estimation of the time of death in cases of putrescent corpses.

Amino Acids↗
PubMed1978

[Activity alterations of unspecific esterases during wound healing. Investigations by means of electrofocusing (author's transl)].

Electrofocusing of skin-wound extracts on polyacrylamide flat gels is appropriate for zymographic separation of the esterase isoenzymes. In animal experiments and corpse material most fractions indicated non-synchronous, wound-age depending alterations of activity. As early as 15 minutes after incision obvious activity increases of A1-3-isoenzymes could be demonstrated, followed by a transitory decrease and another maximum. Important activities of the A4-isoenzymes became evident not before the 1st (human) resp. 3rd hour (guinea pig) after incision. There are no sufficient correlations between activity alterations and wound age, to allow a fairly exact time interval classification.

Adult↗