(a.) To press together; to crowd; to straiten; to confine closely.
(a.) To restrain; to confine.
(a.) Pressed together; closely connected; -- applied to insects having the abdomen separated from the thorax only by a constriction.
Example Sentences:
(1) Comparison of developmental series of D. merriami and T. bottae revealed that the decline of the artery in the latter species is preceded by a greater degree of arterial coarctation, or narrowing, as it passes though the developing stapes.
(2) After early repair of congenital cardiovascular defects, such as coarctation of the aorta, late stenosis may become a problem.
(3) Long prosthetic graft was anastomosed in an end-to-side fashion to bypass the coarctated aorta.
(4) Twenty-four patients had uncomplicated ventricular septal defect, 2 had single ventricle, 5 had transposition of the great arteries, 5 had atrioventricular canal defects, and 2 had coarctation of the aorta and ventricular septal defect.
(5) Acute aortic dissection, aortic aneurysm formation and aortic valve disease complicate the surgical treatment of adult coarctation and hypertension may persist in as many as 50% of patients.
(6) The diagnosis based on physical ECG and X-rays was correct in only 42% of cases, and was most accurate in children with transposition of the great arteries, syndrome of Fallot, coarctation of the aorta and ventricular septal defects.
(7) The principal long-term complication is recurrence of the coarctation resulting from the absence of growth at the anastomosis.
(8) In the seven remaining patients, coarctation was excluded.
(9) Associated lesions were coarctation (n = 2) and patent ductus arteriosus (n = 2).
(10) In the remainder a wide spectrum of abnormalities was found such as prolapse of the mitral valve (in 13.6%), bicuspid aortal valve with a medium regurgitation (4.5%), hypoplasia of the coronary cusp of the aortal valve (4.5%), dilatation of the ascending aorta with a residual significant stenosis at the site after operation of coarctation of the thoracic aorta (4.5%), subaortal defect of the interventricular septum (4.5%) and slight left ventricular hypertrophy in patients with arterial hypertension (9.1%).
(11) We report an unusual case of association of aortic coarctation with a calcified thrombus at the site of coarctation.
(12) These were estimated 1. for stepwise aortic coarctation and 2. for aortic nerve stimulation under pressure clamp conditions.
(13) Five cases of coarctation were overlooked on the prenatal echocardiogram but these were found at follow up of the infants.
(14) Through our experience and a review, we have observed that neonates requiring coarctation repair, pulmonary artery banding, and patent ductus ligation are at high risk of expiring before reaching an age at which a difficult total repair is feasible.
(15) Values were expressed as the ratio between the kidney with the lower uptake and the contralateral one in 34 patients and as the ratio of the kidney counts to the injected dose in five patients with solitary kidneys, aortic coarctation, or both.
(16) An unusual post-coarctation mycotic aortic aneurysm that had eroded into the left main stem bronchus was identified and replaced with a Dacron graft.
(17) The post-mortem examination showed a lesion of the intima and media at the coarctation site, and it seemed that the adventitia alone was what prevented rupture of the vessel.
(18) In addition, aortic disorders such as acute dissection, coarctation and atherosclerotic disease could be delineated.
(19) Few data exist which address the significance of the Doppler gradient across a residual narrowing in older children who have had a coarctation repaired.
(20) The authors studied the immediate and late-term results of surgical treatment of aortic coarctation in patients after the age of 35 years.
Constricted
Definition:
(imp. & p. p.) of Constrict
(a.) Drawn together; bound; contracted; cramped.
(a.) Contracted or compressed so as to be smaller in certain places or parts than in others.
Example Sentences:
(1) There were two recurrent P. (1 Tbc, 1 viral) and no recurrent constriction.
(2) L660,711 had no significant effects on epinephrine- or vasopressin-induced arteriolar constriction.
(3) Myogenic constrictions and dilations was observed when IP was increased (greater than 60 cmH2O) and decreased (less than 60 cmH2O), respectively.
(4) Baroreflex function was studied in conscious early phase (less than 6 weeks) two-kidney, one-clip hypertensive rats before and 24 hours after surgical reversal of hypertension by removal of the constricting renal artery clip or after pharmacological reduction of blood pressure by an infusion of hydralazine or captopril.
(5) A series of hierarchical multiple regressions revealed the effects of Surgency, Agreeableness, Conscientiousness, Emotional Stability, and Intellect on evoking upset in spouses through condescension (e.g., treating spouse as stupid or inferior), possessiveness (demanding too much time and attention), abuse (slapping spouse), unfaithfulness (having sex with others), inconsiderateness (leaving toilet seat up), moodiness (crying a lot), alcohol abuse (drinking too much alcohol), emotional constriction (hiding emotions to act tough), and self-centeredness (acting selfishly).
(6) Neither the first- (A1) or second-order arterioles (A2) nor the first- (V1) or second-order venules (V2) constricted significantly to angiotensin II.
(7) When the same dose of ISO was administered to rats with aortic constriction the rise in labelled Ca uptake by the hypertrophied myocardium of the left ventricle was greatly reduced.
(8) We studied DNA (mtDNA) replication in adult female rat hearts undergoing hypertrophy secondary to constriction of the ascending aorta.
(9) 6 patients had thickened pericardium, and 3 had constrictive features.
(10) Clonidine and methysergide constrict the rabbit auricular artery by activating smooth muscle alpha-adrenoceptors.
(11) Electron microscopy in one case demonstrated typical intraneuronal accumulations of neurofilaments with regular constrictions.
(12) The rise in pressure approximated the sum of the rises caused by removal of the papilla alone and by renal artery constriction alone, consistent with the idea of two mechanisms being at work in this model.
(13) Transient peripheral vasomotor constriction and heart rate increases were initiated within an 8- to 12-sec period following target detection with the predictable schedule, with subjects evincing greater responsivity than their nonpredictable schedule counterparts.
(14) Data are constricted by the movement out of the area in the end stage of disease, which is only partially solved by tracking with community health workers.
(15) The in vivo synthesis rates of myosin isozyme heavy chains beta and alpha were measured in right ventricular (RV) muscle at 2 and 4 days following pulmonary artery constriction in rabbits, together with measurements of their relative mRNA levels.
(16) Aspiration is prevented by constriction of the thyroarytenoid muscle which provides a valved upper end of the tube.
(17) When tested in the guinea pig, 2a exhibited no effects on blood pressure and no broncho-constriction or dilation activity.
(18) However, certain other echocardiographic abnormalities of left ventricular posterior wall motion and interventricular septal motion and a high E-Fo slope were suggestive of constriction.
(19) The left anterior descending coronary artery of dogs and the right common carotid artery of rabbits were subjected to partial constriction with suture thread (40-60% reduction in transluminal diameter).
(20) A previously described laminectomy technique was modified by the addition of spinal plating to avoid the occurrence of constrictive fibrosis.