Annual and analytical cyclopaedia of practical medicine . ^ lifting, severe coughing,and straining. It may also be producedby a blow or a fall. Study of statistics of 1491 cases ofstrangulated hernia. Up to 20 yearsstrangulation is rare, but gradually in-creases until between 50 and 70 thelargest number occur. The causes of. Double direct hernia. strangulation are severe cough or bodilyexercise, defecation, pregnancy, and diffi-cult labor. Strangulation occurs more frequentlyin crural than inguinal hernia, percent, to per cent., respectively; cent, of the hernial sacs contain
Annual and analytical cyclopaedia of practical medicine . ^ lifting, severe coughing,and straining. It may also be producedby a blow or a fall. Study of statistics of 1491 cases ofstrangulated hernia. Up to 20 yearsstrangulation is rare, but gradually in-creases until between 50 and 70 thelargest number occur. The causes of. Double direct hernia. strangulation are severe cough or bodilyexercise, defecation, pregnancy, and diffi-cult labor. Strangulation occurs more frequentlyin crural than inguinal hernia, percent, to per cent., respectively; cent, of the hernial sacs containsmall intestine only, per cent, onlyomentum, per cent, contained bothof these. Lipomata found in 9 per cent,of the Oscar Henggeler (Statis-tics of 276 Cases of Strangulated HerniaOperated upon in the University Clinicat Zurich from 1881 to 1894). In irreducible hernia strangulationoften results from inflammation or en-gorgement of the contents of the sac, orfrom adhesions formed between the sacand its contents. It is unnecessary to mention the va-rious theories that have from time totime been offered in explanation of theway strangulation is brought about. Thebest and simplest explanation is that ofvenous engorgement: the walls of theveins being more compressible than theAvails of the arteries, blood
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