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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Pacing and clinical electrophysiology 22 (1999), S. 0 
    ISSN: 1540-8159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The aim of this study was to evaluate whether the rate of seat belt use is influenced by the interaction between the seat belt shoulder strap and pacemaker generator. The participants (1,942 Japanese patients with pacemakers) were asked to respond to a questionnaire about their seating position in the vehicle, their actual use of seat belts, and the reasons for not wearing seat belts. Front seat occupants (drivers and front seat passengers) were divided into two groups according to the relation between the site of the seat belt shoulder strap and the pacemaker implantation site: group-1—seat belt ipsilateral to the pacemaker, and group-2—seat belts contralateral to the pacemaker. Of the 1,942 questionnaires sent by mail, 1,486 (76.5%) were completed and returned. The actual rates of seat belt use were as follows: drivers (n = 428), 67.4% in group 1 versus 81.0% in group 2 (P 〈 0.01): front seat passengers (n = 403), 63.7% in group 1 versus 70.1% in group 2 (NS); rear seat passengers (n = 655), 26.6%. Among the front seat occupants, pain or an uncomfortable sensation were stated in 59.0% of group 1 versus 30.7% of group 2 (P 〈 0.01). The interaction between seat belts and pacemaker lowers the rate of seat belt use in patients with pacemakers. Pain or discomfort from seat belt-pacemaker contact was noted as the reason for not wearing a seat belt. Physicians should inquire about and take into account a patient's seating location in the vehicle and the location of the seat belt shoulder restraint. The pacemaker implantation site should be placed, if possible, contralateral to the seat belt.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Pacing and clinical electrophysiology 21 (1998), S. 0 
    ISSN: 1540-8159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Sudden death occurred during antihypertcnsive therapy of a Stanford type A dissecting aortic aneurysw. Hemodynamic and electrocardiograpbic events were recorded including deterioration of ventricular fibrillation 4 minutes after rupture.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Pacing and clinical electrophysiology 20 (1997), S. 0 
    ISSN: 1540-8159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Pacing and clinical electrophysiology 20 (1997), S. 0 
    ISSN: 1540-8159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: A case of late pinpoint exposure of a pulse generator due to seat belt trauma is reported. This unusual complication indicates that the implant site of a pacemaker should be decided after consideration of where the patient usually sits in his car and what type of seat belt is used.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1436-2813
    Keywords: central nervous system damage ; cardiopulmonary bypass ; ascending aorta calcification ; reoperation ; thrombus in the left atrium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In order to determine the incidence and risk of central nervous system damage (CNSD) which accompanies cardiovascular surgery, a retrospective analysis was carried out on 1386 patients who received surgery utilizing cardiopulmonary bypass. CNSD occurred in 32 of the 1386 patients, the total incidence being 2.3 per cent. The major risk factors which led to a high incidence of CNSD were found to be reoperation, thrombus in the left atrium (TLA) and calcification of the ascending aorta (Cal aAo). In the primary surgical series, CNSD was found in only 29 of 1350 patients (2.2 per cent), however, of a total 36 patients who underwent reoperation, 3 (8.3 per cent) patients developed CNSD (p〈0.05). In a surgical series done on 562 patients with mitral valve disease, the prevalence of CNSD was much higher in patients who suffered TLA than in those who did not, being 4/85 cases (4.7 per cent)vs 11/477 cases (2.3 per cent), respectively. Moreover, a significantly higher incidence of CNSD was noted in patients with Cal aAo, occurring in 6/10 cases (60 per cent) with Cal aAovs 4/333 cases (1.2 per cent) without Cal aAo (p〈0.001). The results of this study showed that patients with CNSD, who had received coronary artery bypass surgery and aortic arch replacement tended to follow a poor clinical course, suggesting that atheromatous plaque embolization may be the leading cause of the poor prognosis following CNSD in patients having undergone cardiopulmonary bypass.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1436-2813
    Keywords: aorto-iliac occlusive disease ; extra-anatomic bypass ; octogenarian
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Fifteen patients over 80 years of age with aorto-iliac occlusive disease (AIOD) underwent surgical revascularization of an ischemic lower extremity by extra-anatomic bypasses. The mean age at operation was 81.7 years, ranging from 80 to 86 years. Surgical revascularization of the ischemic lower limbs could safely be performed with an extra-anatomic bypass in these patients without any major complications. The mean follow-up period was 32.7 months. Eight patients died during the follow-up, only one of them died from myoenphropathic metabolic syndrom related to acute graft occlusion. As a long-term result, the cumulative survival after 37 months was only 23.9%, while the actual graft patency rate was 43.8% after 60 months in this series. The survival period with an improved quality of life after surgical intervention reached a level of approximately 40% of that for the general population. There should be no hesitation over whether to carry out surgical intervention for AIOD in patients over 80 years of age, because a reasonable extension of life can be obtained by an extra-anatomic bypass.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1436-2813
    Keywords: Superior mesenteric artery ; dissecting aneurysm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report herein the case of a 44-year-old man in whom an asymptomatic dissecting aneurysm was found in the proximal part of the superior mesenteric artery (SMA) during a preoperative evaluation for colon cancer. The patient was managed conservatively with blood pressure control during the perioperative period of the colon resection as the false lumen of the dissecting aneurysm was revealed to be completely occluded by thrombus. The thrombus in the false lumen continued to be absorbed until 1 month after surgery. The patient is currently well 4 years after his operation without any evidence of recurrence of the aneurysm.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé On a évalué les résultats du traitement endoscopique du cancer gastrique au début. Les lésions ont été divisés en deux groupes, un premier relevant d'une indication absolue (IA), l'autre relevant d'une indication relative (IR) du traitement endoscopique. Une résection endoscopique de la muqueuse gastrique (REMG) a été réalisée chez 104 patients pour 106 lésions. A côté de ces patients, 108 autres patients ont eu une irradiation au laser (IL). L'état des patients a été contrôlé régulièrement. Le taux de lésion résiduelle après REMG a été de 30.3% en cas d'IA, alors qu'il a été de 80% chez les patients d'IR. Le taux de lésion résiduelle après REMG a été de 0% chez les patients d'IR ayant eu une IL. Bien que le taux de récidive soit de 4.2%, le taux cumulatif de guérison aprés traitement complémentaire a été de 100%. Le taux de lésion résiduelle après REMG a été de 17.4% chez les patients d'IR avec un taux de récidive de 13.2%. Le taux cumulatif de guérison après traitement complémentaire a été de 97.4% La REMG a été employée en premier chez les patients d'IA, et ceux pour lesquels ce traitement a été insuffisant (tissu cancéreux résiduel); techniquement difficile ou impossible, ont eu une IL. La REMG permet un examen histologique, une des raisons de commencer par cette technique. Par contre, chez les patients d'IR, l'intervention conventionnelle est faite en premier. Enfin, l'IL est utilisée chez les patients qui refusent la chirurgie, ou ne peuvent être opérés pour des raisons diverses.
    Abstract: Resumen En el presente artículo se reporta la evaluación de los resultados del tratamiento endoscópico del cáncer gástrico. Las lesiones fueron divididas en dos grupos: el de los pacientes con indicación absoluta (IA) y el de los pacientes con indicación relative (IR) para tratamientos endoscópicos. La resección mucosal endoscópica (RME) fue practicada en 106 lesiones en 104 pacientes. Además, 108 pacientes fueron tratados con irradiación con láser (IL). el estado de los pacientes fue valorado en forma seriada en el periodo postoperatorio. La tasa de tumor residual en los pacientes con IA que fueron sometidos a RME fue de 30.3%, en tanto que fue de 80% en los pacientes con IR. La tasa residual en 70 pacientes con IA sometidos a IL fue 0%, y aunque la tasa de recurrencia fue 4.2%, la tasa acumulativa de curación luego de tratamientos adicionales fue 100%. La tasa residual en los pacientes con IR sometidos a IL fue 17.4%, y la tasa de recurrencia fue 13.2%. La tasa acumulativa de curación luego de tratamientos adicionales fue 97.4%. En los pacientes con IA la modalidad inicial de tratamiento fue RME. Los pacientes que exhibieron tejido canceroso residual luego de RME o aquellos en que la RME fue difícil de realizar por razones técnicas u otras, fueron sometidos a IL. La RME fue la primera modalidad terapéutica de eseogencia porque los especímenes endoscópicos obtenidos podían ser sometidos a examen histopatológico. En los pacientes con IR, la modalidad terapéutica de escogencia primaria fue la operación convencional. El procedimiento de IL fue practicado en aquellos que rehusaron cirugía o en quienes no se podría emprender tratamiento quirúrgico por diversas razones.
    Notes: Abstract The results of endoscopic treatment of early gastric cancers were evaluated. The lesions were divided into two groups: the group with an absolute indication (AI) and the other with a relative indication (RI) for endoscopic treatment. Endoscopic mucosal resection (EMR) was performed on 106 lesions in 104 patients. In addition, 108 patients were treated by laser irradiation (LI). The status of the patients were serially assessed during the postoperative period. The residual rate in AI patients who underwent EMR was 30.3%, whereas the rate in RI patients was 80%. The residual rate in 70 AI patients who underwent LI was 0%. Although the recurrence rate was 4.2%, the cumulative curative rate after additional treatments was 100%. The residual rate in RI patients who underwent LI was 17.4%, and the recurence rate was 13.2%. The cumulative curative rate after additional treatments was 97.4%. In AI patients, the initial mode of treatment used was EMR. Patients who exhibited residual cancerous tissue after EMR or those in whom EMR was difficult to perform, either technically or otherwise, underwent LI. EMR was the first choice therapeutic technique because endoscopic specimens obtained could be subjected to histopathologic examination. In RI patients, the conventional operation was the therapeutic technique of first choice. The LI procedure was performed in those who either refused surgery or who could not undergo operative treatment for various reasons.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The tumor diameter of gastric carcinoma, measured by gross or histologic examination, is a rough indicator of actual tumor size. Therefore we investigated the utility of three-dimensional reconstruction of tumors in gastric carcinoma. Altogether 105 primary gastric carcinoma lesions, consisting of 16 advanced and 89 early carcinomas, were analyzed. A total of 942 lesion tissue sections, comprising 2 to 37 sections per lesion (mean 9 sections), were examined histologically. Surface rendering using a computer graphics analysis program was then performed from serial sections to create a three-dimensional reconstruction of tumor morphology from which to measure tumor volume. For the 105 lesions the tumor diameter ranged between 4 and 106 mm (average ± SE: 32.4 ± 2.0 mm), and tumor volume ranged between 4 and 5853 mm3 (average ± SE: 773.0 ± 104.6 mm3). A significant correlation was found between tumor diameter and the log of the tumor volume (r= 0.733, p 〈 0.0001). Although the logs of tumor volume for advanced carcinomas were all 〉 2.5, in 11 of these 16 patients (66%) the tumor diameter was 〈 4 cm, and in one patient 〈 2 cm. In addition, tumor diameter did not differ significantly between the 16 advanced and the 89 early gastric carcinomas (p= 0.114), whereas the log of the tumor volume did (p 〈 0.0001). In conclusion, conventional measurements of tumor diameter as a rough indicator of tumor size can predict the actual tumor size of a gastric carcinoma. Three-dimensional reconstruction using computer graphics provides a better estimation of true tumor size and extent of progression than tumor diameter.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1619-7089
    Keywords: 111In-oxine ; hepatocellular carcinoma ; right atrial mass ; tumor thrombus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 54-year-old man was admitted to hospital with a 3-month history of progressive dyspnea with coughing. A giant right atrial mass, originating from a hepatocellular carcinoma, was visualized by computed tomography, and digital subtration angiography. The volume of the right atrial mass was increasing rapidly. It was therefore essential to determine whether this giant mass was a tumor thrombus or a multiplication of the hepatocellular carcinoma. 111In-oxine labeled platelet scintigraphy revealed active accumulation in the right atrium caused by the presence of active platelet deposition, and slight accumulation in the lung fields probably due to embolic showers originating from the tumor thrombus in the right atrium. This is the first case report showing that 111In-oxine labeled platelet scintigraphy can aid in confirming the nature of a giant tumor thrombus in the right atrium and can clarify the pathogenesis of the respiratory symptoms.
    Type of Medium: Electronic Resource
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