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At least 37 records · Page 2Linked to original sources
PubMed1977

Effectiveness of breathing exercises in preventing pulmonary complications following open heart surgery.

The effectiveness of breathing exercises in preventing pulmonary complications was studied in 40 patients undergoing open-heart surgery. Both high- and low-risk patients in the experimental group received one preoperative teaching session and treatment twice a day for the first four days postextubation. Routine postoperative care was given to all 40 patients. Breathing exercises reduced the incidence of pulmonary complications and the necessity for percutaneous endotracheal catheters in the high-risk group. These results justify the use of breathing exercises with the high-risk open-heart surgical patient.

Adult↗
PubMed1979

The effect of physical training on exercise ability in adolescent idiopathic scoliosis.

Twenty subjects with adolescent idiopathic scoliosis, aged 11--17 years, were studied before spinal fusion. Half the patients underwent a programme of daily physical exercises for 6--10 weeks. Before and after this period all the patients carried out a range of lung function tests and a progressive exercise test. There were no significant differences in any of the results between the control group and the training group. The cardiac and respiratory complications of spinal fusion are therefore unlikely to be lessened by preoperative physical training, except in selected subjects.

Adolescent↗
PubMed1977

[Value of the exercise test after aortocoronary bypass].

The 100 patients who underwent an exercise test and a follow-up coronary arteriogram at a mean interval of 10.1 months after an aorto-coronary bypass had suffered preoperatively from incapacitating angina 50%), a threatened infarction syndrome (35%), or Prinzmetal's angina (15%). The majority had a single bypass graft (72%), but 28% had two or three grafts. The exercise test was positive 39 times, negative 51 times, and indeterminate in 10. Correlation with the clinical picture shows that 27% of the patients in functional category I had a positive exercise test. Correlation with coronary arteriography shows that a positive test is reliable evidence for a defect or occlusion of the graft. On the other hand, a negative exercise test is a less reliable indicator of a good result. No instances of positive exercise tests were found when there was complete alleviation of the coronary condition.

Adult↗
PubMed1977

Diagnosis of perioperative myocardial infarction after coronary artery bypass.

The diagnosis of perioperative myocardial infarction (POMI) in patients undergoing coronary artery bypass is uncertain because the criteria of infarction are unclear. Fifty patients who underwent coronary artery bypass were evaluated preoperatively and postoperatively with serial ECGs, creatine phosphokinase (CPK), isoenzyme determinations, and technetium pyrophosphate myocardial scans. Clinical evaluation correlated with exercise testing and postoperative angiography supported the diagnosis in questionable cases. Thirty-five patients (70%) had no evidence of POMI by any criteria, and 2 patients (4%) had unequivocal evidence of infarction by all criteria. Our studies indicate the complexities of diagnosing POMI. We believe that the serially recorded ECG is the most useful diagnostic technique. CPK isoenzyme determinations may be useful but are difficult to interpret in the operative setting. Preoperative cardiac scans are necessary so as to avoid a high incidence of false-positive scans postoperatively. In doubtful cases, postoperative coronary arteriography and left ventricular angiography may provide the most definitive information.

Adult↗
PubMed1979

Radionuclide assessment of aortocoronary bypass surgery.

Rest and exercise thallium 201 myocardial scintigraphy and multiple gated radionuclide angiography were correlated with the results of clinical status, exercise electrocardiography, coronary arteriography, and contrast left ventriculography in a series of 12 prospectively studied consecutive patients before and after aortocoronary bypass operation. Patients were divided into two groups based on a comparison between preoperative and postoperative 201T1 scintigrams. Group 1 (6 patients) demonstrated improved or normal postoperative perfusion scintigrams and excellent correlation between the site of a patent graft and the improvement in myocardial perfusion on the postoperative exercise scintigrams. Regional wall motion remained normal in 3 patients and improved in 3. In Group 2 (6 patients) the postoperative 201T1 scintigrams were unchanged or worse. Each patient demonstrated graft occlusion, graft stenosis, distal disease, or a perioperative myocardial infarction. No improvement in regional wall motion occurred in 4 of these 6 patients. Neither the symptomatic response to aortocoronary bypass operation nor the response to exercise testing successfully predicted graft patency.

Adult↗
PubMed1978

[Aorto-coronary by-pass: pre and post-operative ergometric evaluation of 95 patients (author's transl)].

95 angina patients surgically treated by aortocoronary saphenous vein by-pass, have been studied by comparing the factors limiting the exercise (i.e. muscular exhaustion, angina, electrocardiographic changes), the total work performed, the O2 consumption and the heart rate-arterial pression product. After surgery the incidence of positive effort tests (effort angina and/or ecg evidence of myocardial ischemia) decreased from 79% to 27,4% (p less than 0,001), and the average amount of work performed increased from 2718 to 3504 Kgm (p less than 0,01), the MVO2 from 13,9 to 15,6 cc/min/Kg. (p less than 0,01) and the heart rate-arterial pression product from 206 to 243 (p less than 0,001). The patients who preoperatively were more invalidated (that is able to performe a lasser amount of physical work) presented a more pronounced improvement in comparison with those who had a greater tolerance to exercise. It seems therefore that for these latter patients the bypass grafting surgery should be justified only if a significant increase of life expectancy and reduction of myocardial infarction incidence could be definitely proved. The exercise performance improvement after surgery was statistically significant only in the patients with post infarction or with unstable angina not in those with chronic angina. The perioperative infarction (present in 8,4% of cases) did not show any unfavorable correlation with the result of the late postoperative effort test.

Adult↗
PubMed1978

Results of aortocoronary bypass operations. Follow-up in 343 patients.

Three hundred and forty-three patients who had aortocoronary bypass graft operations for disabling angina were followed up for from 6 months to 5 years (average 2 years). 80 per cent had multiple grafts and 20 per cent had additional endarterectomy. The overall mortality within one month of operation was 5 per cent, and in those who had vein graft procedures only was 4 per cent. 11 per cent had a postoperative myocardial infarction (6% perioperative) and there were 3 per cent late deaths. At 3 years 90 per cent are surviving. 80 per cent are asymptomatic without treatment. The mean angina grade was 0.3 at the latest follow-up, compared with 2.5 before operation; maximum exercise tolerance was also significantly improved (P less than 0.001). When angina recurred, it did so in 80 per cent of the cases within 12 months of operation and was usually attributable to inadequate revascularisation. Ventricular function as assessed by preoperative ventriculography was the factor most clearly related to survival rate and the early excellent results of coronary bypass operations seem to be maintained up to 5 years. It is, therefore, reasonable to continue to advise operation if only for relief of angina.

Adult↗