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Biomedical subjects

H Sautter

Publications and source records attributed to H Sautter.

17 recordsLinked to original sources
PubMed1985

Combined perforating keratoplasty and intracapsular cataract extraction.

251 eyes underwent the combined procedure of perforating keratoplasty and intracapsular cataract extraction from 1968 to 1983. The preoperative preliminaries as well as the intraoperative details are described. The histological diagnoses were Fuchs' endothelial-epithelial dystrophy, keratoconus, leukoma adherens and different kinds of keratitis. 89% of the grafts were clear, 11% irreversibly cloudy. Visual acuity was improved in 88%. Postoperative high intraocular pressure was no special problem and not affected by the combined procedure. Vitreal complications were seen in only 14%. The diameter for transplant and patient's cornea can be reduced to 7.3 mm for both.

Adolescent↗
PubMed1979

[Diplopia frequency as a result of the surgical treatment of concomitant squint].

Postoperative diplopia in cases of congenital strabismus or early onset occured in 5% of patients operated on in 1977. We cannot calculate the frequency of diplopia in children operated on up to the age of 9 years old (290 cases) since no child suffered from diplopia. Its incidence-5% (9 out of 177 cases) relates to patients older than 9 years at the time of surgery, 6 patients out of 20 cases with consecutive exotropia complained of diplopia (following revision surgery). Amblyopia - foveal or eccentric fixation-alone seems to be a less important risk than consecutive exotropia. Preoperative wearing of prism to compensate the objective angle of squint over a few days can reduce but not exclude the general risk of postoperative diplopia.

Adolescent↗
PubMed1978

[Iris angiography studies in patients with diabetes mellitus].

Fluorescence angiography of the iris was performed on 75 patients with diabetes mellitus. The changes in the iris were classified as iridopathia diabetica simplex (ID-s) and iridopathia diabetica proliferans (ID-p), corresponding to similar changes in diabetic retinopathy. Thus punctate leakage of dye, especially around the pupillary margin, was classified as ID-s, whereas additional, angiographically verified new vessel formation was described as ID-p. 69 of the 75 patients (92%) showed diabetic changes of the iris. Of these, 50 (67%) had ID-s changes and 19 (25%) had ID-p changes. The incidence of diabetic iris changes appeared unrelated to age but appeared to increase with duration of the diabetes. A correlation between the onset of diabetic vascular changes of the iris and that of the retina could not be confirmed: the diabetic changes in the iris vessels can precede those of the retina whereas, on the other hand, almost all patients with a diabetic retinopathia also show an iridopathy. The clinical value of iris angiography lies therein that the first findings of diabetic vascular damage can be seen in the iris earlier than in the retina, the iris appearing normal on slit-lamp microscopy.

Adult↗
PubMed1978

[Pupil and light sense perimetry with light and dark adaptation (author's transl)].

In comparison to light sense perimetry the use of pupillomotoric thresholds determination in the central region of the retina at various visual field illumination (10 asb, 0,1 asb, 0,001 asb, 45 degrees Meridian, 27' testpoint) has yielded the following results: 1. The maximum of the pupillomotoric sensitivity profile lies independant of the state of adaptation in the fovea. 2. Irrespective of adaptation state the course of the pupillographic profile curves are congruent. 3. Sensoric determinations show a slow flattening of the curves to the periphery whereas comparatively pupillographic determination yields a steep course (difference in areal summation). 4. In total the pupillomotoric sensitivity increases only about 10 db during the change of adaptation from light to dark. --As the phasic pupillo-light-reflex is elicited by rods and cones the differences between the sensoric and pupillomotoric threshold determinations must arise from intraretinal neuronal processes and not from the receptor reactions.

Adult↗
PubMed1977

[A contribution on the clinical pictures, fluorescence angiography and histology oe essential progressive iris atrophy (author's transl)].

The clinical and irisangiographical findings of 2 patients with essential progressive iris atrophy of the juvenile are reported. Histopathological examination was possible in one case. The differential diagnosis including to iridoschisis, Chandler's syndrome, Cogan-Reese (iris-naevus) syndrome is discussed. The aetiology of this rare disease remains obscure. Most authors believe that the iris stroma changes and pigment epithelial atrophy result from a vascular deficiency. Iris angiographical findings confirm this belief. The prognosis is poor, due to the therapy resistant secondary glaucoma. Surgery of the ciliary body appears to be the only possible procedure.

Adult↗
PubMed1976

[Excision of the ciliary-body in cases of secondary closed-angle glaucoma (author's transl)].

Six cases are reported, in which an excision of the ciliary-body has been performed: 5 cases with secondary closed-angle glaucoma, and one case with secondary open-angle glaucoma. All eyes were aphakic, and in all cases other surgical interventions preceded. The ciliary-body excision is the easiest exactly doseable procedure, compared with other procedures regarding the ciliary-body. Usually excision of the ciliary-body represents the last choice to offer, however in selected cases it might be the method of choice. In this aspect our results are encouraging. The technical details of this procedure are described.

Aged↗
PubMed1975

[Results of surgical treatment in dislocated lenses. II. Intracapsular lens extraction in adults (author's transl)].

40 subluxated and dislocated lenses were extracted intracapsularly between 1970 and 1974. In 6 cases there was a displacement into the vitreous; in 4 an acute secondary angle-closure glaucoma was present (3 times due to dislocation of the lens into the anterior chamber). Surgical extraction with a corneal incision was undertaken under general anaesthesia after attachment of a flieringa ring to the globe. In 16 eyes a transpupillary vitrectomy was necessary. The morphological and functional results were satisfactory: decrease in visual acuity due to surgical intervention did not occur, and in 32 eyes vision was considerably improved.

Adult↗