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Obliterative vascular disease. Report of fifty-one cases treated with passive vascular exercise
126
THE
AMERICAN
HEART
JOURNAL
Two sisters developed acrocyanosis at the change of life. The disturbed function of the csvary in connection with a spee& constitutional background is responsible for these vasomotor syndromes. Successful! hormone therapy seems to prove this theory. iT* E.
elvey describes a series of soft rubber cuffs for adaptation to various sized with separate leaves which are compressed on the thigh alternately in the two pikes of suction and pressure. They are attached separately to the open end of the boot and to the thigh at the start of each treatment and are claimed to cause no venous congestion.
Treated
With
bliterative asculax Pas&m Vascular Exercise.
iseas e. Bepmat of MftyJ. A. &‘I. A. 166: 1153, 1936%
Hn this study of the clinical application of alternate suction and pressure in patients, the author states his belief that gradual pressure changes are equally effective with sudden alternation in env?ronmental pressure and that they are without danger. of injury to the intima of diseased vessels. ical
The pavaex apparatus therapy department
was used. of the Mew
The treatments Pork Nospital.
were
centralized
in
the
phys-
Of 36 arteriosclerosis obliterans patients, 29, or 60.5 per cent, were improved. Three patients who experienced pain while under treatmeut did badly and came to amputation, probably because of a diffuse sclerosis involving the arterioles as well as major arteries. Ten cases of acute vascular occlusion -(embolism, thrombosis) were treated, with eneauraging results in 9. Of 4 cases of thromboangiitis obliterans, the treatment In no case of the whole series was was a failure in 3, of doubtful value in one. there conclusive evidence that the procedure had itself caused serious complications. E. B. H.
Physiol.
T. E.: 115: 632,
1936.
The velocity of blood flow in arteries may be measured by the insertion in the If this be connected to a Kelvin-Thompson artery of a short length of nickel wire. bridge and be used according to the hot-wire principle developed by Hill, the velocity of blood flow may be measured by variations in resistance. Owing to the small mass of the wire used and the intimate contact with the moving stream, the system is able to follow accurately rapid changes in. velocity. The method measures velocity of flow rather than volume flow, though the latter can be estimated if the diameter of the vessel is known. The velocity curves of the carotid and femoral arteries are shown to resemble the pressure curves in these arteries and to differ from one another just as do the pressure curves. When an animal is in good condition, the carotid and femoral arteries under dial-morphine second or more. The mean velocities are about
systolic velocities observed in the anesthesia are usually 50 cm. per 9 cm. per second. Xkudies of the
THE
AMERICAN
HEART
JOURNAL
Two sisters developed acrocyanosis at the change of life. The disturbed function of the csvary in connection with a spee& constitutional background is responsible for these vasomotor syndromes. Successful! hormone therapy seems to prove this theory. iT* E.
elvey describes a series of soft rubber cuffs for adaptation to various sized with separate leaves which are compressed on the thigh alternately in the two pikes of suction and pressure. They are attached separately to the open end of the boot and to the thigh at the start of each treatment and are claimed to cause no venous congestion.
Treated
With
bliterative asculax Pas&m Vascular Exercise.
iseas e. Bepmat of MftyJ. A. &‘I. A. 166: 1153, 1936%
Hn this study of the clinical application of alternate suction and pressure in patients, the author states his belief that gradual pressure changes are equally effective with sudden alternation in env?ronmental pressure and that they are without danger. of injury to the intima of diseased vessels. ical
The pavaex apparatus therapy department
was used. of the Mew
The treatments Pork Nospital.
were
centralized
in
the
phys-
Of 36 arteriosclerosis obliterans patients, 29, or 60.5 per cent, were improved. Three patients who experienced pain while under treatmeut did badly and came to amputation, probably because of a diffuse sclerosis involving the arterioles as well as major arteries. Ten cases of acute vascular occlusion -(embolism, thrombosis) were treated, with eneauraging results in 9. Of 4 cases of thromboangiitis obliterans, the treatment In no case of the whole series was was a failure in 3, of doubtful value in one. there conclusive evidence that the procedure had itself caused serious complications. E. B. H.
Physiol.
T. E.: 115: 632,
1936.
The velocity of blood flow in arteries may be measured by the insertion in the If this be connected to a Kelvin-Thompson artery of a short length of nickel wire. bridge and be used according to the hot-wire principle developed by Hill, the velocity of blood flow may be measured by variations in resistance. Owing to the small mass of the wire used and the intimate contact with the moving stream, the system is able to follow accurately rapid changes in. velocity. The method measures velocity of flow rather than volume flow, though the latter can be estimated if the diameter of the vessel is known. The velocity curves of the carotid and femoral arteries are shown to resemble the pressure curves in these arteries and to differ from one another just as do the pressure curves. When an animal is in good condition, the carotid and femoral arteries under dial-morphine second or more. The mean velocities are about
systolic velocities observed in the anesthesia are usually 50 cm. per 9 cm. per second. Xkudies of the