76
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Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 2-1994. A 31-year-old man with a previous pericardiectomy for constrictive pericarditis and mitral regurgitation. N Engl J Med 1994; 330:126-34. [PMID: 8018143 DOI: 10.1056/nejm199401133300209] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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77
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Clifford CP, Davies GJ, Scott J, Shaunak S, Sarvill J, Schofield JB. Tuberculous pericarditis with rapid progression to constriction. Prompt diagnosis and treatment are needed. BMJ (CLINICAL RESEARCH ED.) 1993; 307:1052-4. [PMID: 8251782 PMCID: PMC1679225 DOI: 10.1136/bmj.307.6911.1052] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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78
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Ferguson MK. Thoracoscopic management of pericardial disease. Semin Thorac Cardiovasc Surg 1993; 5:310-5. [PMID: 8268269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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79
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Wu DJ, Fujiwara H, Kawai C. Chronic active myocarditis simulating constrictive pericarditis-like findings: report of a case. J Formos Med Assoc 1993; 92:654-7. [PMID: 7904503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
A 34-year-old female with rhythm disturbance and characteristic hemodynamic features of constrictive pericarditis is presented. A left ventricular wall open needle biopsy revealed mild mononuclear cell infiltration suggestive of myocarditis. The patient died of intractable heart failure seven years later. The autopsy revealed left and right ventricular dilatation, multiple foci of mononuclear cell infiltration, and diffuse replacement fibrosis in 31%, 13% and 14% of the areas of the left ventricular free wall, ventricular septum, and right ventricular wall, respectively, predominantly in the inner layers (68%). The pericardium was intact. These clinically constrictive pericarditis-like findings are considered to be secondary to chronic active myocarditis.
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80
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Abstract
The common symptoms of constrictive pericarditis, i.e. dyspnea on exertion, shortness of breath and cough, relate to impairment of ventricular filling and to a progressive rise in systemic and pulmonary venous pressures. Myocardial ischemia, angina and myocardial infarction are rarely associated with this disease. We have encountered two patients with constrictive pericarditis, one presenting with angina and the other with acute anterior wall infarction. Possible etiologies of constrictive pericarditis in the first case include cardiac surgery, chronic renal failure and myocarditis; in the second case, Crohn's disease. The proposed mechanism of chest pain in the first patient was a reduced cardiac output resulting in underperfusion of the coronary arteries, although it is possible that the patient experienced angina due to the presence of severe coronary artery disease. In the second patient an anterior wall infarction and post-infarction angina were attributed to obliteration of the left anterior descending artery by constraint of a thickened pericardium. In both cases non-invasive imaging modalities were not of use in establishing the diagnosis of constrictive pericarditis. Clinical awareness and accurate hemodynamic measurements continue to play a key role in the diagnostic process.
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81
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Tanaka H, Kadoba K, Mitsuno M, Chang JC, Nakano S, Matsuda H. [An unusual case of annular constrictive pericarditis--a "framed heart"]. [ZASSHI] [JOURNAL]. NIHON KYOBU GEKA GAKKAI 1992; 40:996-1000. [PMID: 1634852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We presented a 62-year-old female with constrictive pericarditis of an unusual anatomy. A calcified constrictive band, 2-3 cm wide, ran parallel to the frontal plane, coursing circularly along the anterior aspect of the great arteries, right atrium, diaphragmatic surface of the right ventricle, posterolateral aspect of the left ventricle and back to the great arteries. The course of the constrictive band was circular but completely different from that of typical annular constrictive pericarditis in which a constrictive band runs along the atrioventricular groove. Hemodynamic consequences of our patient was rather non-specific impairment of ventricular filling than functional valvular stenoses due to external compression characteristic for the typical annular constrictive pericarditis. Effective surgical relief of the constriction was accomplished under cardiopulmonary bypass and cardioplegic cardiac arrest.
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82
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Yoshitomi Y, Katayama T, Honda Y, Furukawa K, Ogasawara N, Mine Y, Irie J, Takebayashi S. [A case of subacute effusive-constrictive pericarditis]. KOKYU TO JUNKAN. RESPIRATION & CIRCULATION 1992; 40:289-93. [PMID: 1579752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A 30-year-old female with effusive-constrictive pericarditis was admitted to our hospital because of dyspnea, ascites and edema. On examination, her blood pressure was 118/94 mmHg and her pulse rate was 90 bpm. Physical examination revealed pulsus paradoxus, markedly raised venous pressure and pericardial knock sound. Chest X-ray showed marked cardiomegaly and bilateral pleural effusion. After cardiac catheterization there was elevation of mean right atrial pressure, right ventricular end-diastolic pressure, pulmonary-capillary-wedge pressure, and their pressures during diastole were approximately 30 mmHg. After successful pericardiocentesis, their diastolic pressures still remained at 15 mmHg. Additionally, pressure wave of the right ventricle showed distinct diastolic dip and plateau pattern, and that of the right atrium showed deep x and y descents. The pressure pattern suggested that not only pericardial effusion but also decreased compliance of the pericardium was the main factor contributing to the cardiac diastolic dysfunction. Histological examination of the pericardium showed diffuse lymphocyte infiltration and fibrosis. These findings strongly suggested that there might have been viral infection.
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83
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Masui T, Finck S, Higgins CB. Constrictive pericarditis and restrictive cardiomyopathy: evaluation with MR imaging. Radiology 1992; 182:369-73. [PMID: 1732952 DOI: 10.1148/radiology.182.2.1732952] [Citation(s) in RCA: 213] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Twenty-nine patients who were referred with the possible diagnosis of constrictive pericarditis underwent electrocardiographically gated transverse spin-echo magnetic resonance (MR) imaging to determine the accuracy of spin-echo MR imaging for the diagnosis of constrictive pericarditis and to compare the morphologic features of constrictive pericarditis with those of restrictive cardiomyopathy as seen on spin-echo MR images. Constrictive pericarditis was verified by means of surgery and/or catheterization in 17 patients. The sensitivity, specificity, and accuracy of MR imaging in the diagnosis of constrictive pericarditis were 88%, 100%, and 93%, respectively. Thickened pericardium was observed in 88% of patients with proved constrictive pericarditis. Pericardial thickening was not identified in patients with restrictive myocarditis (n = 4). The most frequent site of pericardial thickening was over the right ventricle. In constrictive pericarditis, the signal intensity of the thickened pericardium was similar or decreased compared with that of the myocardium. Indirect findings of impaired right ventricular diastolic filling (eg, dilatation of the inferior vena cava and right atrium) were identified in constrictive pericarditis and restrictive cardiomyopathy. MR imaging can serve as a noninvasive examination for the definitive diagnosis of constrictive pericarditis and can help distinguish between constrictive pericarditis and restrictive cardiomyopathy on the basis of pericardial thickness.
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84
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Szabolcs Z, Horkay F, Bodor E, Bartha E, Vecsey T, Szabó Z. [Experience with the surgical management of constrictive pericarditis]. Orv Hetil 1992; 133:143-6. [PMID: 1734342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
61 patients were operated on for constrictive pericarditis at the Cardiovascular Surgical Clinic of Semmelweis Medical University in the last 33 years. The average hospital mortality of the surgical pericardiectomy was 4.9%. The final conclusions of this retrospective and follow up study are as follows: pericardiectomy is the method of choice in the treatment of constrictive pericarditis, since it does not has any therapeutic alternative, its hospital mortality is low and it results excellent early and late postoperative functional effects.
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85
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Thongtang V, Ratanarapee S, Chaithiraphan S, Panchavinnin P, Srivanasont N, Jootar P, Sahasakul Y, Charoenchob N. Endomyocardial biopsy: its diagnostic usefulness. JOURNAL OF THE MEDICAL ASSOCIATION OF THAILAND = CHOTMAIHET THANGPHAET 1992; 75:18-25. [PMID: 1602259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
In order to assess the diagnostic usefulness of EMB in patients with clinically suspected myocardial diseases, with and without heart failure or dysrhythmias, a prospective study was carried out in 84 consecutive patients. With EMB, the histological diagnosis was considered specific in 33 patients (39.3%), confirmative in 12 patients (14.3%) and negative in 39 patients (46.4%). It was found particularly useful in patients with unexplained heart failure and idiopathic dysrhythmias and in the differentiation between restrictive cardiomyopathy and constrictive pericarditis. The procedure can be safely performed with minimal morbidity and there was no mortality in the present study.
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86
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Kasthuri AS, Bhalla N, Jaiprakash M. Chronic rheumatoid pericarditis. Indian Heart J 1992; 44:57-8. [PMID: 1398700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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87
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Cheung PK, Myers ML, Arnold JM. Early constrictive pericarditis and anemia after Dressler's syndrome and inferior wall myocardial infarction. BRITISH HEART JOURNAL 1991; 65:360-2. [PMID: 2054250 PMCID: PMC1024684 DOI: 10.1136/hrt.65.6.360] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Early constrictive pericarditis and anaemia developed in a 52 year old man after he had an inferior wall myocardial infarction complicated by Dressler's syndrome. Total pericardiectomy at the time of coronary artery bypass surgery resulted in complete resolution of signs and symptoms.
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88
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Davies D, Andrews MI, Jones JS. Asbestos induced pericardial effusion and constrictive pericarditis. Thorax 1991; 46:429-32. [PMID: 1858081 PMCID: PMC463190 DOI: 10.1136/thx.46.6.429] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The number of disorders attributable to asbestos exposure has increased gradually over the years. The latest to be recorded is pericardial effusion and constrictive pericarditis, and three cases are reported here. A man with bilateral pleural thickening and plaques developed acute pericarditis and an effusion and was treated by pericardiectomy. Two men died from constrictive pericarditis associated with bilateral pleural effusions and diffusion pleural thickening. The pericardium showed nonspecific fibrous thickening. All had been occupationally exposed to asbestos. In the fatal cases the lungs contained amphibole fibres, in keeping with a modest degree of occupational exposure. Asbestos produces progressive fibrosis of the pericardium that is similar to diffuse pleural thickening and may be fatal. Both conditions may develop after relatively short or light exposure.
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89
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Mancuso L, D'Agostino A, Pitrolo F, Marchì S, Carmina MG, Celona G, Raspanti G, Figlia A. Constrictive pericarditis versus restrictive cardiomyopathy: the role of Doppler echocardiography in differential diagnosis. Int J Cardiol 1991; 31:319-27. [PMID: 1879981 DOI: 10.1016/0167-5273(91)90383-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Doppler ultrasound recordings of velocities of flow across the mitral and tricuspid valves and in the hepatic veins, and their variation with respiration, were recorded in seven patients with constrictive pericarditis and in six patients with restrictive cardiomyopathy. Deceleration of mitral and tricuspid flow was also evaluated during apnea. Color flow Doppler was performed in order to evaluate mitral and tricuspid regurgitation. Eight healthy adults served as controls. The patients with constrictive pericarditis showed higher peak diastolic velocities of mitral flow, as well as marked increase of velocity of flow at the onset of expiration and decrease at the onset of inspiration. Reciprocal respiratory variation of the velocities were also observed across the tricuspid valve. The patients with restrictive cardiomyopathy showed moderate or severe mitral and tricuspid regurgitation. They also showed shorter deceleration of flow across the mitral and tricuspid valves during apnea. The pattern of flow in the hepatic veins showed reversal during systole with accentuated reversion during inspiration. These results suggest that patient with constrictive pericarditis and restrictive cardiomyopathy can be differentiated by comparing Doppler echocardiographic data, along with changes induced by respiration.
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90
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Kuramochi S, Kawai T, Yakumaru K, Mikata A, Torikata C, Kasuga Y, Fujiwara T. Multiple pulmonary hyalinizing granulomas associated with systemic idiopathic fibrosis. ACTA PATHOLOGICA JAPONICA 1991; 41:375-82. [PMID: 1714226 DOI: 10.1111/j.1440-1827.1991.tb01661.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A 41-year-old man with progressive nodular infiltration of the lung of about 2 years' duration died of cardiac and respiratory failure. Autopsy revealed bilateral multiple pulmonary hyalinizing granulomas (PHGs) diagnosed on the basis of the characteristic dense hyaline collagen bundles with nonspecific inflammatory infiltration. Constrictive pericarditis, retroperitoneal fibrosis, mediastinal fibrosis, fibrous thickening of the peritoneal and pleural surfaces, and fibrosis of soft tissue of the neck, flank, and hepatic hilar region were present, therefore, a diagnosis of systemic idiopathic fibrosis was made. The patient had anti-thyroglobulin and anti-thyroid microsomal antibodies and lymphocytic thyroiditis. The inflammatory process of PHG of the present case was active and the clinical course was progressive. PHG seems to be a lesion belonging to the systemic idiopathic fibrosis complex. Immunologic abnormalities may be related to PHG and systemic idiopathic fibrosis.
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91
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Gallo I, Saenz A, Alonso C, Cesari F, Larman M, Ubago JL. Calcified constrictive pericarditis. Ultrasonic debridement. Eur J Cardiothorac Surg 1991; 5:391-2. [PMID: 1892671 DOI: 10.1016/1010-7940(91)90060-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
A case of complete debridement of a calcified pericardium in a patient with constrictive pericarditis is reported. The use of an ultrasonic surgical aspirator facilitated disintegration of calcium without damaging the adherent epicardium and myocardium.
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92
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Loire R, Saint-Pierre A. [Radiation-induced pericarditis. Long-term outcome. 45 cases with thoracotomy and biopsy]. Presse Med 1990; 19:1931-6. [PMID: 2147753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Between 1970 and 1989, 45 cases of pericarditis consecutive to thoracic irradiation for cancer were studied to determine their long-term outcome and the course of their pericardial lesions. All patients were symptomatic and required surgery on account of cardiac dysfunction or, more rarely, for diagnostic purposes, i.e. to distinguish between pure autonomous pericardial complications and recurrent mediastinal neoplasias, the latter being excluded from the study. All patients were explored by thoracotomy which permitted histopathological examination of the pericardium and the pericardial fluid, at the same time as therapeutic surgery (pericardial decortication for constriction in 22 cases, creation of pleuro-pericardial windows to ensure drainage of major effusions in 23 cases). The outcome was often poor owing to associated post-radiotherapy myocardial and pulmonary lesions: there were 20 deaths, 5 of which were directly due to the neoplasia and 13 to the radiotherapeutic complications; 5 patients remained with impaired cardiorespiratory function.
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93
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Talwar KK, Narula JP, Chopra P. Myocarditis and myocardial interstitial fibrosis in constrictive pericarditis--an extended pathological spectrum? Int J Cardiol 1990; 29:241-3. [PMID: 2269544 DOI: 10.1016/0167-5273(90)90228-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
We performed endomyocardial biopsy in six patients with constrictive pericarditis, revealing the presence of myocarditis and myocardial interstitial fibrosis in all regardless of the endocardial thickening. These findings suggest that the presence of endomyocardial involvement in the setting of restrictive heart disease should not be deemed specific for endomyocardial fibrosis when the clinical evaluation suggests constrictive pericarditis.
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94
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Schoenfeld MH. The differentiation of restrictive cardiomyopathy from constrictive pericarditis. Cardiol Clin 1990; 8:663-71. [PMID: 2249220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The differentiation of restrictive cardiomyopathy from pericardial constriction remains a difficult clinical problem. Although the historical, noninvasive, and hemodynamic and angiographic features discussed here provide poor discriminating value when considered individually, a combination of clues may suggest one diagnosis or the other. Endomyocardial biopsy affords the greatest hope of avoiding unnecessary surgical exploration. Thoracotomy continues, however, to be the gold standard by which to make the distinction, carrying with it significant risk in patients with underlying restrictive cardiomyopathy.
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95
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Hambrecht R, Schuler G, Mall G, Hagl S, Kübler W. [Peracute constrictive, idiopathic pericarditis--a case report of an acute life-threatening disease picture]. ZEITSCHRIFT FUR KARDIOLOGIE 1989; 78:680-2. [PMID: 2555976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Generally, idiopathic pericarditis is considered a benign, self-limiting disease. Frequently, the exsudative phase of the disease is followed by a mild form of transitory constriction of the pericardium. The case reported here shows an unusual course of the disease. Shortly after the symptoms of exsudative pericarditis subsided a life-threatening form of pericardial constriction developed within weeks. In case of chronic pericardial constriction perioperative mortality for partial pericardiectomy is not insignificant. This is a result of myocardial damage that is difficult to assess prior to surgery. For that reason a partial pericardiectomy should be attempted as early as possible, even in cases with acute pericardial constriction.
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96
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Brown PJ. An unusual cause of inability to float a pulmonary artery catheter. JOURNAL OF CARDIOTHORACIC ANESTHESIA 1989; 3:333-6. [PMID: 2520659 DOI: 10.1016/0888-6296(89)90117-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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97
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Gregory MA, Nel JP, Brouckaert CJ. Morphometric analysis to detect suspected myocardial disease. A pilot study. S Afr Med J 1989; 75:106-9. [PMID: 2919323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Myofibres in the normal left ventricle (LVs) of 24 healthy young accident victims and the diseased LVs of 10 subjects who died from constrictive pericarditis or congestive (African) cardiomyopathy were subjected to morphometric evaluation. Each myofibre was represented by a pair of measurements: cross-nuclear fibre (FD) and nuclear (ND) diameters. Using a VIDS image analyser interfaced with a light microscope, 150 paired measurements were determined for each of the 34 specimens. The bivariate relationship between FD and ND for each group of specimens were expressed as linear regressions. The limits for the group distribution of normal specimen FD/ND means were calculated and graphically depicted in the form of an ellipse. Disease specimens were plotted for comparison. Of the normal specimens, 23/24 FD/ND coordinates fell within the "normal' ellipse whereas the altered relationship between FD and ND in pathological myocardia caused all 10 specimen means to be plotted outside the ellipse and their regression lines to be displaced from normal. It is suggested that the normal data define the morphometric parameters of LV myofibres in healthy hearts and create a graphic standard by which myofibre pathology in hearts suspected of disease can be detected.
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98
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Lui CY, Makoui C. Severe constrictive pericarditis as an unsuspected cause of death in a patient with idiopathic hypereosinophilic syndrome and restrictive cardiomyopathy. Clin Cardiol 1988; 11:502-4. [PMID: 3416516 DOI: 10.1002/clc.4960110713] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
A 43-year-old man with idiopathic hypereosinophilic syndrome survived a relatively long term (6 1/2 years) before he succumbed to intractable heart failure. Six months before death, his chronic heart failure from restrictive cardiomyopathy was well compensated. Autopsy demonstrated severe constrictive pericarditis which was not suspected antemortem. Constrictive pericarditis as a late complication of idiopathic hypereosinophilic syndrome is discussed.
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99
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Savage MP, Munoz SJ, Herman WM, Kusiak VM. Chylous ascites caused by constrictive pericarditis. Am J Gastroenterol 1987; 82:1088-90. [PMID: 3661521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Chylous ascites is an uncommon clinical entity associated with lymphatic obstruction usually caused by underlying malignancy. The authors describe a patient with chylous ascites caused by constrictive pericarditis in the absence of mechanical lymphatic obstruction. Pathophysiological mechanisms for the development of chylous ascites in constrictive pericarditis include augmented lymph production and high impedance to lymph drainage caused by central venous hypertension. After pericardiectomy, the patient's ascites and edema resolved. Constrictive pericarditis should be considered a rare but potentially curable cause of chylous ascites.
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100
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Schoenfeld MH, Supple EW, Dec GW, Fallon JT, Palacios IF. Restrictive cardiomyopathy versus constrictive pericarditis: role of endomyocardial biopsy in avoiding unnecessary thoracotomy. Circulation 1987; 75:1012-7. [PMID: 3568302 DOI: 10.1161/01.cir.75.5.1012] [Citation(s) in RCA: 81] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Despite careful clinical, noninvasive, and hemodynamic assessment of patients with constrictive/restrictive physiology, the differentiation of restrictive cardiomyopathy from constrictive pericarditis remains difficult. We examined the role of right ventricular endomyocardial biopsy in defining the underlying process in 54 patients with evidence of constrictive/restrictive physiology, including 38 patients with profound symptoms of heart failure in whom diagnostic/therapeutic thoracotomy was contemplated (group I) and 16 patients with milder symptoms (group II). All patients in group I had NYHA class III or IV heart failure with depressed cardiac index (mean 2.5 liters/min/m2), right atrial hypertension (mean 15 mm Hg), and normal left ventricular ejection fraction (mean 59%). Endomyocardial biopsy identified a specific source of restrictive cardiomyopathy in 15 of 38 patients (39%) (11 amyloid, four myocarditis). Of the 23 remaining patients with either normal biopsy findings or nonspecific abnormalities on biopsy, 18 had intraoperative or autopsy evaluation of their pericardium, and constriction was found in 14 (77%). A specific form of restrictive cardiomyopathy was also identified in four of the 16 patients with milder symptoms (group II). We conclude that endomyocardial biopsy is useful in patients with severe constrictive/restrictive physiology. It identifies a large subset of patients with specific forms of restrictive cardiomyopathy in whom thoracotomy should be avoided. It supports the need for thoracotomy and the likelihood of finding pericardial constriction in patients without specific pathologic findings.
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