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Biomedical subjects

F Tarasoutchi

Publications and source records attributed to F Tarasoutchi.

At least 37 records · Page 2Linked to original sources

[Aneurysms of the left and non coronary sinus of Valsalva associated to mitral and aortic rheumatic valves and obstructive coronary disease].

A 30 years old, male, patient with rare multiple aneurysms of sinus of Valsalva associated to mitral and aortic regurgitation and total occlusion of circumflex artery had the clinical diagnosis made accidentally. The multiple aneurysms were detected by transesophageal echodopplercardiography and hemodynamic study. The diagnosis were confirmed at surgery and the patient underwent correction of the aneurysms through the use of pericardial patches and mitral and aortic valve replacement.

Adult↗

[Acquired ventricular septal defect during infective endocarditis].

We studied five patients with acquired ventricular septal defect during the course of an infective endocarditis. All patients were male and had a previous aortic valve disease associated with an aortic ring abscess. Clinical examination was useful for the diagnosis of 4 cases, emphasizing the following findings: systolic murmur and/or left paraesternal thrill and right-heart failure. Incidence of congestive heart failure was 60%, while 40% of all patients died during the in-hospital course. No specific etiologic agent was detected. Therefore, acquired ventricular septal defect should be suspected in patients with infective endocarditis of the aortic valve that evolve with a systolic murmur and/or paraesternal thrill and right-heart failure. Immediate surgical treatment is mandatory in these cases.

Adolescent↗

[Neurological events in infective endocarditis].

PURPOSE: The study of frequency, modalities and course of neurological complications of infective endocarditis (IE), as well as the current indication and value of supplementary examinations. METHODS: Sixty-three patients with IE, 39 with native valve and 24 with valvar prosthesis, were prospectively studied; the mean age was 42 years and 45 (71.4%) were males. Two groups were formed: A) 41 patients without neurological events and B) 22 patients who presented 28 neurological events before or during hospitalization: ischemic cerebrovascular accident 20, hemorrhagic cerebrovascular accident 2, meningeal hemorrhage 2, meningitis 2, brain abscess 1 and seizure 1. All patients were submitted to neurological clinical examination; 57 computerized tomographies of the cranium, 28 arteriographies and 32 cerebrospinal fluid analysis were performed. RESULTS: The incidence of neurological events corresponded to 34.92% of IE patients, with a clear predominance (85.71%) of vascular as compared to infectious manifestations. Mortality was 2.32 times higher in group B patients (22.73% x 9.76%), albeit p = 0.256, and was not related to staphylococcal etiology. The neurological events were not related to sex, age and presence of valvar prosthesis. The presence of neurological complications was greater (p = 0.047) in patients with simultaneous infections in two valves (mitral and aortic) and also (p = 0.00884) in those with IE in prosthesis implanted for less than three months. All supplementary neurological examinations in group A were normal. CONCLUSION: 1) Occurrence of neurological events is a factor which influences the prognosis of IE; 2) supplementary neurological examinations did not reveal subclinical neurological complications; 3) neurological complications were significantly more frequent in patients with simultaneous mitral and aortic valve IE; 4) IE in prosthesis implanted for less than 3 months has a greater probability to develop a neurological picture as compared to IE in prosthesis implanted for more than 3 months.

Adolescent↗

[Comparison between the use of unifoil double balloon and bifoil balloon in successful mitral valvuloplasty by balloon catheter].

PURPOSE: To compare immediate and long term results balloon mitral valvuloplasty (BMV) using double balloon or bifoil balloon. METHODS: One hundred and thirteen consecutive cases of BMV used aleatory double balloon (group DB--55 cases) or bifoil balloon (group BF--16 cases). Patients were similar regarding to age, sex, valvopaty etiology, functional class and echocardiographic score. Seventy one (63%) patients achieved 12 months follow-up. RESULTS: In group DB there were 2 (4%) insuccess, 2 (4%) cardiac tamponade and 2 (4%) deaths, 91% patients had immediate criteria of success. Mitral valve area (MVA) increased from 0.8 to 1.69cm2 and mitral gradient (G) by echodopplercardiographic (ECHO) decreased from 17.9 to 4.8mmHg. Three (5%) patients developed severe mitral regurgitation (MR) and needed surgical intervention. At follow-up 2 (4%) developed mitral restenosis. MVA estimated by ECHO study after one year follow-up was inferior to 1.15cm2 in 15 (32%) cases, between 1.5 and 2.0cm2 in 17 (37%) and superior to 2.0cm2 in 14 (31%). In group BF there were 2 (12.5%) insuccess, 4 (25%) developed severe MR occurring 1 death immediate post-operative mitral valve replacement. Among 14 (87%) success cases, MVA increased from 0.8 to 1.89cm2 and G decreased from 18 to 6.4mmHg. Lately 2 (12.5%) needed surgical intervention because significative MR. At 12th month follow-up the ECHO study showed that in one (10%) case MVA was < 1.5cm2, and in 3 (27%) cases was between 1.5 and 2.0cm2. CONCLUSION: There were similar good results in both groups, however group DB had more restenosis, cardiac tamponade and vascular complications and group BF had more severe MR.

Adolescent↗

[Mitral catheter-balloon valvuloplasty in surgical high risk patients].

PURPOSE: To evaluate percutaneous mitral balloon valvuloplasty (PMBV) in surgical high risk patients. METHODS: Twenty (12%) patients out of 172 submitted to a PMBV were considered high surgical risk cases; 17 (85%) were women and mean age was 43 (18-69). Thirteen (65%) were in acute pulmonary edema (3 were pregnant, 2 had previous cerebrovascular event, 1 had pulmonary thromboembolism and other had chronic renal failure), and 7 (35%) were in functional class (CF) III (2 had coronary artery disease, 2 severe obesity, 1 pulmonary neoplasia, 1 cardiac cachexia and one with previous cerebrovascular event). All patients underwent PMBV through transseptal technique. Double balloon was used in 10 (50%) patients; Inoue balloon in 5 (25%), mono-foil in 3 (15%) and bi-foil in 2 (10%). RESULTS: Seventeen (85%) obtained success and 2 (10%) had clinical improvement. The hemodynamic results pre versus post-PMBV showed: left atrium pressure (LAP) mmHg 28.2 +/- 10.0 x 15.2 +/- 9.2 (n = 20) (p < 0.001), mitral medium gradient (G) mmHg 21.2 +/- 10.7 x 10.7 +/- 6.7 (n = 18) (p < 0.001), mitral valve area (MVA) cm2 0.73 +/- 0.3 x 1.73 +/- 0.6 (n = 11) (p < 0.001), pulmonary artery pressure mmHg 52.0 +/- 18.2 x 40.1 +/- 14.7 (n = 18) (p < 0.001) and cardiac index L/min/m2 2.1 +/- 0.4 x 2.5 +/- 0.6 (n = 14) (p < 0.001). Comparative echocardiography results pre, post and 6 months after PMBV showed: MVA 1.06 +/- 0.39 x 1.92 +/- 0.51 x 1.65 +/- 0.5 and G 13.8 +/- 4.7 x 7.3 +/- 3.6 x 7.3 +/- 4.4. There were two immediate deaths (pulmonary thromboembolism and multiple organs failure) and other after hospital discharge. The complications were: 2 (10%) patients with neurological complications, 1 (5%) atrial septal defect and other right atrium perforation (5%). CONCLUSION: PMBV offers an alternative to surgical treatment in high risk surgical patients and the results are maintained in the 6 month follow-up.

Adolescent↗

[Mitral valvuloplasty by balloon catheter. Early results and one-year follow-up].

PURPOSE: To evaluate percutaneous mitral balloon valvuloplasty (PMBV) results immediately and one year follow-up. METHODS: One hundred and four procedures in 103 patients, 89 (87%) were women and mean age was 33. Ninety five (91%) had mitral stenosis, 7 (7%) mitral restenosis and 2 (2%) stenotic bioprosthesis. Twelve (10%) patients were in functional class (FC) II (NYHA), 73 (70%) in FC III and 19 (18%) in FC IV. Ninety three (89%) were in sinusal rhythm, 10 (10%) had atrial fibrillation and 1 (1%) junctional rhythm. In 99% cases the transseptal access was used. RESULTS: The comparative haemodynamic results late x immediately after-PMBV were mitral valve area (cm2) 0.75 +/- 0.27 x 1.68 +/- 0.48 (p < 0.0001), gradient AE-VE average (mmHg) 19.52 +/- 8.03 x 5.44 +/- 4.38 (p < 0.0001); average pressure AE (mmHg) 24.72 +/- 8.76 x 9.63 +/- 6.11 (p < 0.0001), cardiac index (L/min/m2) 2.55 +/- 0.69 x 2.92 x 0.77 (p < 0.0001); average pressure PA (mmHg) 40.17 +/- 16.52 x 25.65 +/- 13.77 (p < 0.0001). The echocardiography results pré-PMBV, post-PMBV, 6 and 12 months after PMBV were respectively: mitral valve area (cm2) 0.89 +/- 0.23 x 1.87 +/- 0.41 x 1.72 +/- 0.43 x 1.64 +/- 0.44 and mitral transvalvar gradient (mmHg) 13.12 +/- 4.66 x 6.44 +/- 2.93 x 7.72 +/- 3.24 x 8.30 +/- 4.17. There was one death immediately after-PMBV in a patient with pulmonary thromboembolism. Four (4%) had severe mitral regurgitation and went to surgery (1 death). There were 2 mitral reestenosis. CONCLUSION: For selected patients PMBV is a safe method and the good results are maintained in 1 year follow-up.

Adolescent↗

[Aortic dissection associated with systemic lupus erythematosus].

A 33-year-old female patient, with a 4-year history of hypertension plus a 3-year history of systemic lupus erythematosus, who had been taking high dosages of corticosteroids, has shown repetitive respiratory infections and congestive heart failure for the past 8 months. Angiocardiography confirmed the diagnosis of aortic insufficiency with aneurysmatic dilation of Valsalva's posterior sinus, ascending aorta of normal diameter and normal coronary arteries. Aortic dissection causing aortic insufficiency due to collapse of aortic leaflets was spotted during the surgery and was corrected by a bovine pericardial tube and suspension of aortic valve. The postoperative (PO) period was complicated by left-sided seizures followed by left hemiparesis and respiratory infection. She was discharged on the 25th PO day with mild left hemiparesis and in functional class I (NYHA), using medicines. We emphasize the need to consider the diagnosis of aortic dissection in patients with systemic lupus erythematosus and aortic insufficiency, specially in those who have a history of systemic arterial hypertension and long-term corticosteroid therapy.

Adult↗

[Valvular surgical treatment concurrent with myocardial revascularization].

PURPOSE: To study the morbidity and mortality due to valvar surgical treatment performed concomitantly to myocardial revascularization. METHODS: From 1650 patients submitted to mitral or aortic valve surgical treatment, 103 (6.24%) had it associated to myocardial revascularization. Coronary insufficiency was associated to aortic valvar lesion in 66 (64.0%) patients, group I, with mean age of 62.3 +/- 8 years; and in 37 (35.9%) patients with mitral valve lesion, group II, with mean age of 57.8 +/- 5.8 years. Diagnosis was based upon the anamnesis, physical examination and confirmed by cine-coronarographic findings. RESULTS: I-Complications at the immediate postoperative; a) mortality 11 (10.6%) patients, 6 (9.09%) from group I: by low cardiac output 3, uncontrolled arrhythmia 1, mediastinitis 1; acute infarction with cardiogenic shock 1, and 5 (134.5%) of group II: uncontrolled hemorrhage 2, sudden death 1, saphenous vein graft occlusion, respiratory insufficiency and sepsis 2; b) controlled intercurrences that increased the time of hospitalization: mental disorder 5 patients; CVA 7, diabetes decompensation 2, worsening of chronic renal insufficiency 1, upper level digestive hemorrhage 1 and respiratory insufficiency 3 patients. II-late postoperative complications of 77 (83.6%) patients which could be followed up during a period of 60 months: 1) mortality: 3 (3.89%) patients; 2 due to cardiomyopathy and 1 by acute myocardial infarction; 2) late evolution-functional capacity III (NYHA) by cardiomyopathy 6; I/II 68 patients; mild angina 6 patients, 2 underwent revascularization at the end of final 36-42 months. CONCLUSION: The clinical improvement and mortality indexes statistically similar to the isolate surgical acts stimulate us to keep up with such associate procedures.

Adult↗

[Mitral valve aneurysm associated with mitral insufficiency in absence of aortic insufficiency].

Two 31 year old patients were interned with cardiac insufficiency (functional class III). Case number one infective endocarditis with mitral valve 8 months before. Case number two had previous rheumatic disease. Both had severe mitral insufficiency and were submitted to replacement of mitral valve. Surgical findings included the presence of aneurysm mitral leaflet (posterior in case one and both in case two). The pathologic study showed mitral valve prolapse and signs of previous endocarditis in case one and rheumatic lesion in the other case.

Adult↗

[Bilateral diaphragmatic paralysis in the immediate postoperative period after cardiac surgery].

A 56 years old man was submitted to an aortic replacement with mechanical prosthesis and to saphenous vein graft to the right coronary artery. He developed respiratory insufficiency after surgery which was finally related to bilateral diaphragmatic paralysis whose diagnosis was confirmed through thorax ultrasonography. The patient remained under ventilatory assistance with positive pressure for 75 days. The introduction of thorax ventilatory negative pressure (VNP), jacket type, allowed the tracheostomy closure. The patient gradually recovered his spontaneous breathing and was discharged after 90 days with instructions to use VNP at night. He returned to his normal professional activities, without auxiliary respiratory support, 40 days after his discharge.

Aortic Valve Insufficiency↗

[Surgical intervention in patients undergoing a procedure for mitral valvoplasty by balloon catheterization].

PURPOSE: To study the characteristics of patients undergoing catheter-balloon mitral valvoplasty (CBVM) procedure who needed surgical intervention after CBMV. PATIENTS AND METHODS: One hundred and five patients submitted a CBMV were divided in to Group I (GI) of eighteen surgical patients and Group II (GII) of eighty-seven non-surgical patients. The following parameters were analyzed. 1) age; 2) sex; 3) mitral valve area (MVA) and mean transvalvular gradient (G) by echodopplercardiography (2D); 4) Character of CBMV; 6) Relation of time between CBMV and Surgery with surgical indication; 7) Surgical findings; 8) Surgical procedure and 9) Post-operative evolution. RESULTS: Mean age of 34 (17-56) years old in GI and 33 (15-69) years old in GII; 2) Similar distribution of men and women in GI and GII; 3) Similar MVA and G in GI and GII; 4) 100% of elective character in GI and 94% in GII; 5) Transseptal via in 17 (94%) of GI and 87 (83%) of GII, retrograde arterial via in 1 (5.5%) of GI and in another (1%) of GII; 6) immediate: cardiac tamponade (28%); until 30 days: unsuccessful CBMV (39%); mitral insufficiency (MI) post-CBMV (11%), cardiac tamponade (5.5%), between 30 and 60 days: MI post-CBMV (22%), Mitral restenosis post-CBVM (5.5%); 7) Mitral stenosis (72%), MI post-CBVM (22%), hemopericardium (6%); 8) Mitral Commissurotomy (7), Mitral bioprosthesis implant (5), Commissurotomy plus Atrioseptoplasty (1), Mitral plasty (1), Pericardium drainage (1); 9) One (5.5%) death in immediate post-operative of the MI correction, 17 (94%) in functional class I/II (NYHA) 14.3 (8-27) months after surgery. CONCLUSION: Age, Sex, VMA G and Urgency character were not discriminative factors in the formation of GI and GII. The procedures for CBVM didn't interfere with post-operative prognosis.

Adolescent↗

[Endocarditis in heart valve bioprosthesis caused by Cardiobacterium hominis].

A 36-year-old female patient developed Cardiobacterium hominis endocarditis on a mitral valve prosthesis. The etiologic agent was identified in the seventh day of incubation of the blood cultures specimens. Crystalline penicillin (18.10(6) UI daily) and amikacin (800 mg daily) were administered for 42 days. Surgical treatment for heart failure unresponsive to medical treatment was carried on in the eighteenth day of antibiotic therapy. A bovine pericardium prosthesis was inserted. The patient was discharged and is asymptomatic after seven months.

Adult↗

[Cerebral malformation of the conceptus associated with maternal bacterial endocarditis and with aortic valve replacement during pregnancy].

A twenty-three years old woman, without previous heart disease developed endocarditis with negative bloods cultures on the fourth month of her third pregnancy. Fever was controlled through antibiotics, however she developed cardiac insufficiency and was submitted to surgery for replacement of aortic valve with a bioprosthesis. The post operative period showed no problems and the patient was discharged on the forty second day after admission. On the thirty ninth week of pregnancy she gave cesarean birth, without complications. The newly born, apgar 5 (1 min.) and 7 (5 min) presented signs of neurological problems, characterized on the second month as a cerebral atrophy. Among various possible factors, the most likely would be cardiopulmonary bypass circulation as the cause of the neurological malformation.

Adult↗

[Analysis of the mechanical properties of the left ventricle in patients with aortic valve disease].

The morphological and functional aspects of the left ventricle (LV) were assessed by echocardiography and cardiac catheterization performed simultaneously in 41 patients. Eleven were normal (N), 14 had aortic stenosis (AS) and 16 had aortic regurgitation (AR). Of the 14 patients with AS, eight were in New York Heart Association (NYHA) functional class I and II (ASA group) and six were in NYHA functional class III and IV (ASB group). Of the 16 patients with AR, seven were in NYHA functional class I and II (ARA group) and nine in functional class III and IV (ARB group). In the ASA group normal values of the LV function were obtained because of the development of an adequate hypertrophy that in normalizing the systolic stroke was able to keep a suitable function. In the ASB group there was a reduction of the LV function due to an increase of the systolic stroke and to the reduction of the contractile muscle state. Thus, in the whole AS group we found an inversed relation between the ejection fraction and the systolic stroke. In the ARA group we found a normal cardiac function as consequence of an adequate development of the LV dilation and hypertrophy. Despite the find of reduction of the contractile state, the systolic stroke normalizing was capable to keep the cardiac function at normal values. The ARB group presented an important depression of the cardiac function due the increase of the systolic stroke and to the decrease of the contractile state of the cardiac muscle.

Adolescent↗