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Biomedical subjects

A Oriol

Publications and source records attributed to A Oriol.

At least 73 records · Page 4Linked to original sources
PubMed1984

The use of pigtail catheters for retrieval of foreign bodies from the cardiovascular system.

Snare retrieval of foreign bodies is a common procedure but in certain cases, location of the foreign body requires another system. We present three cases in which only the use of a pigtail catheter gave a good grip for gentle traction and removal or repositioning of the foreign body. A careful review of the world literature up to December 1982 gave rise to two previous similar reports. Both our experience and that found in the literature seem to suggest that in cases where there are no free ends to snare, pigtail catheters may be the first instrument used to start retrieval.

Adult↗
PubMed1984

Combined aortocoronary bypass and intraoperative transluminal angioplasty in left main coronary artery disease.

Transaortic intraluminal angioplasty of the left main coronary artery by Grüntzig's technique has been used intraoperatively in 4 patients who underwent multiple aortocoronary bypasses. Angiographic and clinical results were excellent in 3 of them. It is suggested that this combined technique be used to obtain more complete revascularization at the time of coronary artery bypass. The technique is easy to perform without x-ray facilities in the operating room, and it seems reasonable to assume that it may improve the myocardial blood supply of those areas irrigated by small arteries originating between the stenosed main trunk and other subsequent lesions.

Angina Pectoris↗
PubMed1983

Oestrogen--bromocriptine interaction in the control of luteinizing hormone and prolactin secretion in the neonatally oestrogenized female rat.

Neonatally oestrogenized female rats showed hyperprolactinaemia (prolactin, 230 micrograms/l), normal LH levels and absence of a positive feedback effect of oestrogen on secretion of LH at 5 months of age. Bromocriptine treatment for 13 days (1 mg/kg per day) caused no changes in LH levels and prolactin levels decreased to normal values (33 micrograms/l). This decrease in prolactin concentration was not followed by the recovery of phasic LH response to oestrogens. The effectiveness of oestrogens to induce prolactin secretion was greater in the neonatally oestrogenized rats than in the control group. In both cases the effect diminished after bromocriptine treatment. These results indicate that hyperprolactinaemia is not the cause of the anovulatory state in oestrogenized rats and that neonatal treatment with oestrogens alters oestrogen--prolactin relations, probably involving dopamine.

Animals↗
PubMed1983

Coronary angioplasty in iatrogenic coronary artery stenosis.

Iatrogenic coronary artery stenosis as a serious complication of aortic valve procedures is a difficult condition to solve. We present a case in which both ostia were involved. As the patient refused reoperation, percutaneous transluminal coronary angioplasty (PTCA) was used.

Angina Pectoris↗
PubMed1968

Regional lung function in patients with bronchial asthma.

The regional distribution of pulmonary ventilation and perfusion and regional alveolar ventilation/perfusion ratios were measured with radioactive xenon ((133)xenon) in 10 patients with asthma in remission. Four subjects had normal ventilation distribution, four had hypoventilation in some regions and normal ventilation in others, and two patients had abnormal ventilation in almost all lung regions. The lung bases were involved most frequently and the middle zones least frequently. Correlation was good between the degree of over-all ventilatory impairment calculated from (133)xenon values and measurement of the maximal midexpiratory flow rate the same day. Regions which were hypoventilated had low ventilation/perfusion ratios and also tended to be hypoperfused. In the eight subjects who had been studied similarly 5 yr previously, changes in regional function correlated in general with changes in over-all function.

Adult↗