Biomedical subjects
Publications and source records attributed to D Hausmann.
The nevoid forms of poikilodermia as described in the literature are reviewed. The cases presented can be classified in better defined entities. The significance of a nevoid form of poikilodermia is doubted.
The death of the last patient of the original cases of Rothmund is reported who died in the age of 92 years. The Rothmund-Syndrome is discussed as a clinically discernible entity in the group of congenital poikilodermias. A review of the literature is given.
A case of Goltz-Gorlin-syndrome (congenital ectodermal and mesodermal dysplasia) in a 8 1/2 year old girl with focal dermal aplasia after birth, poikilodermia, anomalies of nails, hair, teeth, eyes and bones is presented.
A case of a verrucous type of Thomson's syndrome in a 12 year old boy is presented. The verrucous type is discussed as a prognostically serious form of Thomson's syndrome, because of tendency to malignant degeneration. A review of the literature is given.
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Braun-Falco together with Marghescu described 1965 for the first time the clinical picture of bullous congenital poikilodermia. In reviewing 15 cases of the literature and one own case this disease is discussed here as an own nosological entity within the congenital poikilodermias and it is suggested to use the designation "Braun-Falco-Marghescu-Syndrome" according to the first describers.
PURPOSE: Quantitative angiographic studies on the vasomotility of epicardial coronary arteries are gaining increasing relevance. We investigated whether radiographic contrast agents might influence coronary vasomotor tone and thereby the results of such studies. METHODS: Coronary angiograms were taken in 12 patients with coronary artery disease at intervals of 5, 3, 2, and 1 min with the low-osmolar, nonionic contrast agent iopamidol 300, and were repeated at identical intervals with the high-osmolar, ionic agent diatrizoate 76%. RESULTS: Quantitative cine film analysis demonstrated no significant diameter changes in angiographically normal and stenotic coronary arteries with iopamidol. With diatrizoate, however, normal segments were dilated 2% +/- 2% (p < 0.01) after 2 min and 10% +/- 3% after the 1 min interval (p < 0.001). Stenoses showed no uniform responses to diatrizoate. CONCLUSION: Low-osmolar, nonionic contrast agents should be preferred for quantitative angiographic studies on epicardial coronary vasomotility. When using ionic contrast agents, injection intervals of at least 3 min are required.
In 121 adults, the value of transthoracic and transesophageal color Doppler echocardiography for detection of different types of atrial septal defect (ASD) or of partial anomalous pulmonary venous return was analyzed. The 121 patients had a total of 129 defects with left-to-right atrial shunting (including eight patients with two types of defects). All of six cases with primum-type ASD were diagnosed correctly by both echocardiographic methods. Ninety-seven patients showed a secundum-type ASD during transesophageal echocardiography: by transthoracic echocardiography, only eight (20%) of the 40 small defects (diameter < 5 mm) were detected as compared with 15 (83%) of the 18 defects with a diameter of 5 to 10 mm and all 39 defects with a diameter > 10 mm. A sinus venosus--type ASD was evident by transesophageal echocardiography in 11 patients, of which only one (9%) was demonstrated by the transthoracic approach. Partial anomalous pulmonary venous return was seen by transesophageal echocardiography in 13 patients but missed in two other patients in whom anomalous pulmonary venous return was subsequently identified by surgery (both with anomalous return of the upper right pulmonary vein into the superior vena cava). By use of the transthoracic technique, partial anomalous venous return was detected in only two cases, both of which had "scimitar syndrome." Compared with transthoracic echocardiography, the transesophageal approach is clearly superior in the detection of small secundum-type ASD, sinus venosus--type ASD, and partial anomalous pulmonary venous return.
The incidence of bacteremia induced by transesophageal echocardiography (TEE) and, consequently, the need for an antibiotic prophylaxis before TEE is still controversial. Therefore, we studied the incidence of bacteremia associated with TEE prospectively in 100 consecutive patients without clinical or laboratory signs of bacterial infection. Blood samples were drawn immediately before and at 0, 5, and 15 minutes after TEE. In addition, swabs were taken from the pharyngeal region before TEE and from the distal part of the TEE-probe before and after TEE. All blood cultures taken before TEE remained sterile. After TEE, three positive blood cultures were found in two patients: the first patient had two different species of coagulase-negative staphylococci in cultures taken at 0 minutes (Staphylococcus capitis) and 15 minutes (Staphylococcus cohnii) after TEE, whereas the sample taken after 5 minutes remained sterile. In the second patient, Propionibacterium species appeared after 7 days of processing in a culture taken immediately after TEE, but not in the samples taken after 5 and 15 minutes. None of the three microorganisms found in the blood were simultaneously isolated in pharyngeal specimens or TEE-probe specimens of the same patient. Thus positive blood cultures in both patients were considered contaminated. This study demonstrates that TEE, when performed by an experienced investigator, is not associated with an increased risk of bacteremia. Accordingly, it is justified to perform TEE examinations (also in high-risk patients) without antibiotic prophylaxis.
We present a case of posttraumatic myocardial infarction after blunt chest trauma in a previously healthy man. Coronary angiography showed an eccentric occlusion in the midportion of the left anterior descending artery. Subsequent intracoronary ultrasound imaging revealed a severe intimal dissection. The outcome after intracoronary stent placement was excellent. This rare but potentially harmful complication of blunt chest trauma should be kept in mind and coronary angiography performed immediately when coronary occlusion is suspected. Intravascular ultrasound imaging is a helpful tool in the assessment of coronary artery occlusion caused by intimal dissection.
We report a case of stent dislodgement complicating adjuvant intracoronary ultrasound (ICUS) imaging that required emergency coronary bypass grafting. This probably very rare complication gains importance since ICUS is increasingly used to confirm adequate stent expansion and full coverage of the lesion.
Twelve systemically healthy patients each (ASA risk groups 1-2) who required oral surgery under local anesthesia received the short-acting benzodiazepin Midazolam for analgosedation as well as the analgesics Pentazocin or Piritramid. Both i.v. medications are suitable as adjuvants for local anesthesia since neither clinically relevant respiratory and circular depression nor major sleepiness were observed.