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Biomedical subjects

J Nieveen

Publications and source records attributed to J Nieveen.

At least 19 recordsLinked to original sources
PubMed1995

Pain in the postoperative coronary artery bypass graft patient.

The purpose of this study was to assess and describe the multidimensional postoperative pain experience of patients (N = 194) undergoing coronary artery bypass graft surgery (CABG) using the McGill Pain Questionnaire. Postoperative pain significantly decreased from postoperative day 2 to postoperative day 3 for all components of the McGill Pain Questionnaire. Sensory words chosen from the McGill Pain Questionnaire on postoperative day 2 included sharp, sore, aching, and tender. Affective words chosen included exhausting on postoperative day 2 and tiring on postoperative days 2 and 3. The evaluative word annoying was chosen for both postoperative days 2 and 3. The present pain intensity (PPI) rating completed on a scale from no pain = 0 to excruciating pain = 5, showed a mean intensity rating of 1.08 for postoperative day 2 and 0.67 for postoperative day 3. These findings describing the typical pattern of postoperative pain are clinically significant in the differentiation of "normal" postoperative pain from pain experienced with postoperative complications from CABG surgery.

Adult↗
PubMed1979

Left atrial myxoma moving from right atrium to left ventricle. Non-invasive and invasive techniques and surgical findings.

A case of left atrial myxoma, prolapsing through a large atrial septal defect during systole and through the mitral valve orifice during diastole, is presented. To our knowledge this is the third such case and only the second one in which the diagnosis was made before operation. Echocardiography and phonocardiography were of great value in establishing the diagnosis of left atrial myoxoma; the features before and after operation are presented. In this patient the "swinging" of the tumor in the left atrium and in the left ventricle was echocardiographically visible. Correlations of tumor movement and heart sounds could be made. The diagnosis of a 36% left-to-right shunt on atrial level could not be made with the help of non-invasive techniques alone; cardiac catheterization revealed the shunt. The role of non-invasive techniques and of cardiac catheterization is discussed, together with a review of the relevant literature.

Cardiac Catheterization↗