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P1080Modes of death in cardiac amyloidosis. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx502.p1080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Effect of dental correction on voluntary hay intake, apparent digestibility of feed and faecal particle size in horse. J Anim Physiol Anim Nutr (Berl) 2011; 97:72-9. [DOI: 10.1111/j.1439-0396.2011.01244.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Abstract
BACKGROUND Current literature documents use of the radial artery (RA) for myocardial revascularization only as an alternative conduit in cases where the saphenous veins have been previously harvested or are unsuitable for use. Large-scale routine clinical use of the RA as the conduit of choice has not been reported. METHODS This prospective study evaluated the harvest of the RA from 933 patients and the subsequent use of the conduit as a preferred coronary artery bypass graft second only to the left internal thoracic artery in 930 of these patients. RESULTS Unilateral RA harvest was performed in 786 patients and 147 patients had bilateral RA harvest. A total of 1080 RAs were harvested; 214 (19.8%) originated from the dominant forearm. There was a mean of 3.30+/-0.93 grafts per patient of which 2.43+/-0.83 were arterial grafts. The mean number of RA grafts was 1.43+/-0.53. Operative mortality was 2.3% with none due to the RA graft(s). There was no ischemia nor motor dysfunction in the operated hands. Thirty-two (3.4%) patients experienced transient thenar dysesthesia that resolved in 1 day to 6 weeks. CONCLUSIONS Our results demonstrate that routine total or near total arterial myocardial revascularization may be achieved safely and effectively with the use of one or both RAs in conjunction with the internal thoracic artery.
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Abstract
BACKGROUND To assess the full root modification of the Ross procedure, we examined operative and long-term results. METHODS We retrospectively reviewed 145 patients (118 men and 27 women) operated on from March 1987 through April 1997. Ages ranged from 17 to 68 years. Primary diagnosis was aortic stenosis in 43 patients (29.6%) and aortic regurgitation in 62 patients (42.8%). There was mixed disease (stenosis and regurgitation) in 40 patients (29.6%) of whom the vast majority had predominant stenosis. RESULTS Early death was 7 of 145 patients (4.8%). Twelve patients had 14 significant complications (8.5%). There were four late deaths. Overall patient survival is 90.5% +/- 3.1% at 5 years and 84.5% +/- 14.1% at 7 years. Endocarditis occurred in three patients-two on the autograft and one on the pulmonary homograft. Three patients had cerebrovascular accidents. In 5 of 132 patients (3.8%) reoperations were required on the autograft. Freedom from autograft reoperation was 93.9% +/- 3.1% at 5 years and 88.6% +/- 6.4% at 7 years. Echocardiographic follow-up reveals more than mild aortic regurgitation in only nine patients, including the five patients in whom reoperations were required. Seven of 11 patients with active endocarditis at the time of the operation had adverse outcomes. CONCLUSIONS Ten years' experience with the modified Ross procedure has shown excellent results with regard to short- and long-term morbidity and death. It is the procedure of choice for young patients who need aortic valve replacement but should be used with caution in the setting of active endocarditis.
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[Vulvar discharge before parturition and a risk factor for postpartum diseases of the sow and for early postnatal piglet losses]. BERLINER UND MUNCHENER TIERARZTLICHE WOCHENSCHRIFT 1997; 110:320-3. [PMID: 9412449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Periparturient biotechniques with prednisolon are widely used in Europe for the prevention of perinatal losses in intensive pig production. However, the routinely applied 100 mg prednisolon on the 113th day of pregnancy to the sow are not without controversy. In four intensive pig production units altogether 2143 sows treated thus were subjected to the evaluation of the following parameters: A: the presence or absence of vulvar discharge at the 110th day of pregnancy B: postparturient disease of the sow C: early postnatal piglet losses The results showed that the sows having prepartal vulvar discharge developed after prednisolon application significantly (p < 0.001) higher incidence of postparturient disease (20.5% versus 9.3%) when compared to the sows having no prepartal vulvar discharge. The early postnatal losses were significantly higher (p < 0.05) in sows having prepartal vulvar discharge and consecutive postparturient disease when compared to the healthy sows. It is the opinion of the authors that prepartal biotechnique with prednisolon (in order to reduce perinatal losses) in sows showing the signs of prepartal vulvar discharge is contraindicated.
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6
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[Management of E. coli dependent factorial diseases in weaning piglets]. BERLINER UND MUNCHENER TIERARZTLICHE WOCHENSCHRIFT 1996; 109:108-11. [PMID: 8721304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The most important postweaning factorial diseases are at least partly caused by E. coli. The term postweaning coli complex can be subcategorized into the following manifestations: postweaning diarrhoea, edema disease, postweaning wasting and hemorrhagic gastroenteritis. In the presented study the effect of prophylactic zootechnique alone and zoo- and biotechnique in combination was evaluated during the first weeks postweaning. The results showed that combined zoo- and biotechnique is superior to simple zootechnique regarding food conversion (1.41 kg versus 1.73 kg), average daily weight gain (390 g versus 325 g) and postweaning piglet mortality (3.1% versus 4.9%). It is the opinion of the authors that combined postweaning zoo- and biotechnique should be performed in such pig production units where ETEC and/or SLTEC are present.
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[The effect of timing of labor induction on the occurrence of congenital myofibrillar hypoplasia--short clinical report]. DTW. DEUTSCHE TIERARZTLICHE WOCHENSCHRIFT 1996; 103:21-2. [PMID: 8647010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
In an intensive pig production unit with routinely performed prostaglandin partus induction four groups of sows were formed shortly before parturition. The animals received 3 mg alfaprostol as a single intramuscular injection each. The sows of group 1 on the 112th, those of group 2 on the 113th and the animals of group 3 on the 114th day of pregnancy. Group 4 sows were not treated and formed the control group. We evaluated the number of live born piglets and the number of piglets born with congenital myofibrillar hypoplasia. The results showed no significant difference regarding live born piglets. As regards congenital myofibrillar hypoplasia the sows with early partus induction (group 1) showed significant higher incidence when compared to the other groups. It is likely that in cases of partus induction before the 113th day of pregnancy the fetus is still insufficiently protected by natural maturation, adaptation and tolerance ability against such congenital condition as CMH. Therefore it is the opinion of the authors that partus induction before the 113th day of pregnancy should not be performed.
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Abstract
Bronchogenic cysts are not commonly the cause of severe symptoms, and often present only as an abnormality on chest roentgenogram. We report an unusual patient with a mediastinal bronchogenic cyst associated with rapid hemodynamic deterioration secondary to compression of vital structures.
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Abstract
Fifty-one children, aged 1.8 to 21 years (mean, 11.4) with aortic valve replacement using a pulmonary autograft are reviewed. Twenty-nine were intra-aortic implants and 22 were root replacements. There was one operative death, no late deaths, and two have required reoperation. Actuarial freedom from reoperation was 93% +/- 5.5 at 5.6 years. Freedom from progression of aortic insufficiency (AI) was 81% +/- 9 at 5.6 years in the intra-aortic implants and 86% +/- 10 in the root replacement. Enlargement of the pulmonary autograft was seen echocardiographically in both groups. This enlargement was consistent with somatic growth and not associated with progression of AI. Ten of 19 patients with aortic stenosis had an LV mass index suggestive of LV hypertrophy before operation. At 1 year, 18 of 25 had a normal LV mass index. Thirteen of 16 patients with AI had preoperative abnormal LV mass index. All but four returned to normal by 1 year. Low operative risk, excellent function, resolution of abnormal LV hemodynamics, and enlargement consistent with somatic growth suggest that the pulmonary autograft is the ideal replacement for the malfunctioning aortic valve.
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Abstract
The use of the patient's pulmonary valve for replacement of the patient's diseased aortic valve was introduced and developed by Mr. Donald Ross. Its demonstrated durability, freedom from thromboembolism, and potential for growth has led to increased utilization of this technique. Modifications of the earlier techniques have led to a reproducible operation with low operative risk and excellent mid-term results.
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Transcranial Doppler sonography monitoring of local intra-arterial thrombolysis in acute occlusion of the middle cerebral artery. Stroke 1992; 23:284-7. [PMID: 1561660 DOI: 10.1161/01.str.23.2.284] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND AND PURPOSE The aim of this study is to report on the use of transcranial Doppler ultrasonography as a noninvasive diagnostic monitoring tool during local intra-arterial thrombolysis in a patient with acute embolic occlusion of the middle cerebral artery. CASE DESCRIPTION We describe a 41-year-old woman with mitral valve stenosis suffering from embolism of the middle cerebral artery. Local thrombolysis was performed with tissue plasminogen activator at a dosage of 0.05 mg/kg/hr. Progress of the thrombolysis was monitored by transcranial Doppler. The steps of recanalization could be ascertained by transcranial ultrasound showing a hemodynamically relevant residual stenosis after the first 120 minutes and complete patency of the M1 segment of the middle cerebral artery 180 minutes later. One branch of the middle cerebral artery still showed a filling defect. CONCLUSIONS Our report demonstrates the potential usefulness of transcranial Doppler monitoring during thrombolysis of a proximal occlusion of the middle cerebral artery for guiding the treatment by assessing the reperfusion of the obstructed artery.
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Normal left ventricular function following pulmonary autograft replacement of the aortic valve in children. J Card Surg 1991; 6:633-7. [PMID: 1810559 DOI: 10.1111/jocs.1991.6.4s.633] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
To assess growth potential and hemodynamic sequelae of pulmonary autograft valves implanted into aortic outflow tracts of children, we reviewed our experience with 37 patients (2-21 years) from August 1986 to December 1990. Twenty patients had predominantly aortic stenosis (AS), and 17 had aortic insufficiency (AI). Operative mortality was 3%. Two technical failures required reoperation. Of survivors, six (18%) have moderate AI. Pre- and postoperative echocardiograms were reviewed. The AS group showed increased left ventricular (LV) cavity size by greater than 1-year follow-up, and decreased LV wall and interventricular septal thickness. In the AI group, wall and septal thickness increased by 10 days and LV cavity decreased by 10 days, 60 days, and greater than 1 year. Root replacements (n = 14) showed mean increases of 4.3 mm and 5.3 mm, respectively, in diameters of the aortic annulus and aortic sinuses at greater than 1 year. Intraaortic implants increased 3.1 mm (annulus) and 3.9 mm (sinuses) at greater than 1 year. The pulmonary autograft procedure is safe, and successful implantation normalizes LV dimensions and function rapidly. The autograft valve shows evidence of growth at greater than 1 year postoperative. The pulmonary autograft may be the ideal valve replacement in children.
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Replacement of the abdominal aorta with an aortic homograft in a patient with an aortic dissection. Ann Vasc Surg 1991; 5:538-41. [PMID: 1772761 DOI: 10.1007/bf02015279] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The use of aortic and femoral homografts in early vascular surgery has been abandoned for the more successful and abundant synthetic substitutes. With the recent introduction of cryopreservation, homograft use has again met with improved success. A 40-year-old man who had a DeBakey Type I aortic dissection initially underwent replacement of the aortic root with a pulmonary homograft. Subsequently, in the presence of an intraabdominal infectious process, progressive mesenteric and lower limb ischemia was treated by replacing the abdominal aorta with an aortic homograft. Thirty-six months postoperative the patient has a functioning gastrointestinal tract and no vascular insufficiency of the lower extremities and no evidence of degeneration of the homograft. Further laboratory studies should be undertaken using the newer and improved cyropreserved homograft in the presence of, or potential for, an intraabdominal infectious process.
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Aortic root replacement with pulmonary autograft. Circulation 1989; 80:III209-13. [PMID: 2805303] [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: 01/02/2023]
Abstract
Transfer of the pulmonary valve to the aortic position has been used successfully by Ross for more than 20 years and in our own institution since August 1986. To expand the use of this concept to patients with root disease and/or narrow annulus, we employed the main pulmonary artery with its valve as a conduit to replace the proximal ascending aorta, reimplanting the coronary ostia into the pulmonary trunk. Seventeen patients, aged 2-62 years, underwent the procedure with three deaths. Hemorrhage precipitated each death, and there was one reexploration for control of bleeding. Postoperative echocardiography showed excellent valvular function. No anticoagulants were used except daily aspirin in three patients who underwent concomitant procedures. There were no thromboembolic episodes. Right ventricular outflow tract reconstruction was accomplished with cryopreserved aortic (three) and pulmonary (14) allograft conduits. This operation has potential for superior long-term results in complex aortic valve disease.
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Aortic valve and left ventricular outflow tract replacement using allograft and autograft valves: a preliminary report. Ann Thorac Surg 1989; 48:345-9. [PMID: 2774717 DOI: 10.1016/s0003-4975(10)62854-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A comparison of allograft and autograft (pulmonary) replacement of the aortic valve has, to our knowledge, not been done in America. Fifty-seven patients (age range, 2 to 70 years; mean age, 30 years) underwent 59 operations for replacement of the aortic valve (20) or entire left ventricular outflow tract (39) using autograft (35) or allograft (24) valves. Many had undergone a previous operation (25) or had concomitant procedures (13). Postoperative mortality was 8.5% (5/59). Two deaths occurred in the allograft group and three in the more complex pulmonary autograft group. One late death occurred. One autograft was replaced with an allograft 7 months postoperatively for severe aortic regurgitation. There have been no episodes of either endocarditis or thromboembolism. Forty-nine of 51 survivors are in New York Heart Association class I. Preliminary results suggest that congenital or acquired disease of the left ventricular outflow tract and aortic valve can be safely and effectively treated with either allograft or autograft valve transplantation.
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Droloxifene--a novel antiestrogen in endocrine dependent human tumors xenotransplanted into nude mice. Strahlenther Onkol 1989; 165:559-60. [PMID: 2749496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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[The prevention of injuries in greyhounds]. DTW. DEUTSCHE TIERARZTLICHE WOCHENSCHRIFT 1989; 96:374-5. [PMID: 2776674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The analysis of 154 greyhound injuries shows a significant lower incidence of injuries in the case of proper preparing for the race. The prevention of injuries was carried out during the whole training-season. These optimally prepared dogs showed a better race performance and were able to take part in more races.
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21
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New catheter technique for recording left free-wall accessory atrioventricular pathway activation. Identification of pathway fiber orientation. Circulation 1988; 78:598-611. [PMID: 3409499 DOI: 10.1161/01.cir.78.3.598] [Citation(s) in RCA: 103] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The ability to record accessory atrioventricular (AV) pathway activation consistently may be uniquely beneficial in improving pathway localization, identifying anatomic relations, and providing insight into unusual conduction properties. For the purpose of recording left AV accessory pathway activation, an electrode catheter was specially designed for use in the coronary sinus. The orthogonal catheter has three sets of four electrodes spaced evenly around the circumference. Electrograms were recorded at low gain (less than 1 cm/mV) between adjacent electrodes on the same set (interelectrode distance, 1.5 mm, center to center). This provides a recording dipole perpendicular to the atrioventricular groove to enhance recording of accessory pathway activation while minimizing overlapping atrial or ventricular potentials. The orthogonal electrode catheter was used in the electrophysiological study of 48 consecutive patients with 59 left AV accessory pathways. The catheter could be advanced along the coronary sinus beyond the site of earliest retrograde atrial activation in 49 of the 59 accessory pathways. Activation potentials were recorded from 45 of the 49 (92%) accessory pathways accessible to the catheter (5 of 5 anterior, 8 of 8 anterolateral, 15 of 16 lateral, 5 of 5 posterolateral, 5 of 5 posterior, and 7 of 10 posteroseptal). Accessory pathway potentials were validated by dissociating them from both atrial and ventricular activation by programmed-stimulation techniques. During surgery, accessory pathway potentials were identified from orthogonal catheter electrodes in the coronary sinus in 14 of 16 accessory pathways (12 patients). Epicardial mapping confirmed the location of the accessory pathway, and direct pressure over the orthogonal catheter electrode that recorded the accessory pathway potential resulted in transient conduction block in nine of the 14 accessory pathways. Orthogonal electrode maps of the coronary sinus identified an oblique course in 39 of 45 recorded accessory pathways. Thirty-two of 38 left free-wall accessory pathways were oriented with atrial insertion 4-30 mm (median, 14 mm) proximal (posterior) to the ventricular insertion. In the remaining six free-wall accessory pathways, the lateral excursion could not be determined because either only the atrial end of the accessory pathway was recorded or activation of multiple pathway fibers prevented tracking of individual strands. The seven recorded posteroseptal pathways exhibited accessory pathway potentials throughout an 8-18-mm (median, 10 mm) length of the proximal coronary sinus, but fiber orientation was difficult to determine.(ABSTRACT TRUNCATED AT 400 WORDS)
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Procurement of hearts for valve homografts: one year's experience. THE JOURNAL OF THE OKLAHOMA STATE MEDICAL ASSOCIATION 1988; 81:510-2. [PMID: 3171736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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23
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Abstract
Pulmonary valve autograft replacement of the aortic valve has been performed in nine patients in an effort to duplicate in the United States the experience of Sir Donald Ross in London. Four male and five female patients ranging in age from seven to thirty-four years have been operated on for indications of aortic stenosis in six and aortic regurgitation in three. Three patients had associated procedures performed concomitantly. All patients survived the surgery and were clinically improved, however, one patient did require reoperation for progressive aortic insufficiency. Specific indications, results, and technical considerations are discussed and illustrated.
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24
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Abstract
The DDI mode is a new pacing mode with potential advantages over DVI pacing. We describe anomalous post R wave ventricular pacing due to the presence of inappropriate ventricular blanking periods in a pacemaker programmed to the DDI mode. Although no adverse consequences were seen in our patients, potentially dangerous R-on-T pacing could occur, particularly if long atrioventricular delays are programmed. A method for eliminating this pacing anomaly is described. Patients programmed to the DDI mode with the pacemaker model described should be evaluated for post R wave ventricular pacing and corrective measures should be taken.
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25
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Echocardiographic demonstration of right atrial rupture in a patient with right-sided cardiac tumor. Chest 1983; 83:921-2. [PMID: 6851696 DOI: 10.1378/chest.83.6.921] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Two-dimensional echocardiographic evaluation of a young man with recent drainage of a hemorrhagic pericardial effusion revealed persistent fluid and a massive tumor involving the right atrium, tricuspid valve, and right ventricle. Echocardiographic demonstration of right atrial wall rupture was confirmed at surgery; pathologic analysis showed a spindle cell sarcoma.
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Abstract
We studied the ability of a single oral dose of aspirin to inhibit prostacyclin synthesis by human arterial and venous tissue and to inhibit thromboxane A2 synthesis by platelets in 70 patients who were undergoing aortocoronary bypass. A dose of 40, 80, or 325 mg of aspirin was administered 12 to 16 hours before surgery. The generation of thromboxane in serum--which provides an estimate of platelet thromboxane production--was reduced from the control value by 77, 95, and 99 per cent after single doses of 40, 80, and 325 mg of aspirin, respectively. By contrast, prostacyclin production in aortic tissue that was removed at operation was reduced by only 35, 38, and 75 per cent, respectively, in response to these doses. Production of prostacyclin in saphenous-vein tissue (not tested after 40 mg of aspirin) fell only slightly and not significantly after 80 mg but was reduced by 85 per cent after 325 mg. These findings indicate that a low dose of aspirin (40 to 80 mg) can largely inhibit platelet aggregation and thromboxane synthesis but has much less effect on prostacyclin production in arterial and venous endothelium.
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[Liver hemangioma--an angiographic contribution to the differential diagnosis of sonographic lesions (author's transl)]. ROFO-FORTSCHR RONTG 1982; 136:685-8. [PMID: 6213497 DOI: 10.1055/s-2008-1056131] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Small liver hemangiomas are displayed as echogenic as well as sonolucent patterns on ultrasonic scans. Differentiation from malignomas is difficult and responsible, hepatomas and solitary metastases being possible. By partial liver resection the malignant diseases can be treated successfully. Therefore an accurate diagnosis is to be aimed at. Of all the methods only angiography can ensure a certain amount of clarity. This is possible under the following circumstances: The cavernomas must be of a certain size. They must not withdraw from evidence due to large avascular areas which can result from thrombosis, fibrosis or necrosis. Moreover a superselective filling of the hepatic artery is claimed but not always possible. If the portal vein is opacified it conceals the radiologically typical image of the cavernoma. Under these circumstances only few moments of the late arterial and the hepatovenous phases remain to detect the hemangioma in the seriogram.
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[The post-traumatic biliary cyst (author's transl)]. RONTGEN-BLATTER; ZEITSCHRIFT FUR RONTGEN-TECHNIK UND MEDIZINISCH-WISSENSCHAFTLICHE PHOTOGRAPHIE 1982; 35:155-7. [PMID: 7079665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The case report communicated here illustrates a late complication subsequent to an emergency operation for liver rupture. This complication may result from ligating a branch of the hepatic artery to stop bleeding. If the necessary second operation is omitted for any reason, the hepatic sequester can develop into an abscess or biliary cyst. It is to be expected that these late complications will occur more frequently in future owing to a probable increase in the incidence of the so-called blunt abdominal traumas. The reason for this is, on the one hand, the growing number of traffic accidents and, on the other hand, the increasing use of safety seat belts which tend to promote the occurrence of ruptures of the liver as part of the blunt abdominal traumas. However, we must emphasize that it is the use of safety seat belts only which ensures the traffic victims' chance of survival.
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Abstract
Primary tumors of the chest wall are uncommon but should be considered in the evaluation of patients with persistent chest wall pain or the presence of a chest wall mass, especially when this is near the costal cartilages. Special radiographic techniques may help to define the diagnostic possibilities and the extent of local involvement. Since at least half of the primary rib tumors and virtually all of the sternal tumors are malignant, these problems demand prompt investigation, accurate tissue diagnosis, and, usually, generous surgical excision. With appropriate attention to skin, soft tissue, and skeletal involvement, resection of major chest wall tumors can be done safely, and there are a variety of reconstructive techniques available to deal with the resulting defects. Radiotherapy has little role in the treatment of chest wall tumors except for the myeloproliferative disorders and possibly some cases of Ewing's sarcoma. Chemotherapy has similarly been ineffective for the cartilaginous tumors but shows some promise in the multidisciplinary approach to osteogenic sarcoma. Surgical resection, however, remains the mainstay for the treatment of most tumors of the chest wall. Even in instances of recurrent disease there are many whose long-term survival has been achieved by multiple operative procedures.
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