Biomedical subjects

B Poepel

Publications and source records attributed to B Poepel.

3 recordsLinked to original sources

PubMed1994

[Eye manifestations of shaken baby syndrome. A case presentation].

UNLABELLED: Violent shaking is a type of child abuse which may cause intracranial hemorrhages combined with retinal and vitreous bleeding. Fundus bleeding is similar to that in Terson syndrome. However, in the shaken baby syndrome the intraocular hemorrhages may precede both the clinical and radiologic recognition of subdural haematoma. CASE REPORT: We present a 4-months-old baby with convulsions and additional extensive bleeding of the fundus. Neither the ocular findings nor the seizures could be explained by minimal lesions of external trauma. Repeated cranial computed tomography showed increasing intracerebral bleeding with consecutive brain atrophy. Fundus bleeding completely disappeared. CONCLUSION: When child abuse is suspected, ophthalmological examination is most important to detect fundus bleeding, which, in the absence of birth trauma or any other supportive evidence of external trauma or other diseases, is the leading symptom of the shaken baby syndrome.

Battered Child Syndrome↗

PubMed1993

Comparison of the optical and visual quality of poly(methyl methacrylate) and silicone intraocular lenses.

We evaluated experimentally the optical quality of poly(methyl methacrylate) (PMMA) (Storz 68UV, AMO PC58) and silicone (AMO SI19, Adatomed 90D) intraocular lenses (IOLs) and compared the results with our clinical data. We measured surface and image quality using the Zygo laser interferometer and modulation transfer function (MTF) using the Ealing EROS MTF analyzer. Contrast acuity was tested clinically with glare and without glare (Regan charts); AMO PC58, n = 18; AMO SI19, n = 7; Adatomed 90D, n = 18). Modulation transfer function and image quality were slightly better with PMMA IOLs but the reduction of MTF with silicone lenses was within the 1/8 diopter defocus range. Surface quality of silicone IOLs was superior to that of PMMA IOLs. Contrast acuity measured clinically was also slightly better with PMMA IOLs at low contrast and with glare but differences were not significant. Our results suggest that optical and visual quality of silicone IOLs is slightly lower than with PMMA IOLs. Experimental and clinical results correlated closely. However, the small differences observed are unlikely to be significant clinically.

Aged↗

PubMed1989

[Realtime sonography].

Between March 1985 and March 1988 109 patients with tumours of the oral cavity and the oropharyngeal region underwent 123 examinations by orthopantomography and realtime sonography for primary staging and/or diagnosis of a recurrent disease. In 105 cases the preoperative results could be compared to intraoperative and histopathological findings. Realtime sonography as a noninvasive, inexpensive and efficient method offered the ideal diagnostic adjunct to the orthopantomogram. Not only size, shape and structure of the soft tissue tumour could be accurately defined; whatsmore it was possible to demonstrate its relation to bony structures and to a high degree of sensitivity cortical invasion and periosteal reaction. The limitations of the method especially the risk of false positive findings after invasive diagnostic and therapeutic procedures are pointed out.

Humans↗