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Biomedical subjects

F J Steinkogler

Publications and source records attributed to F J Steinkogler.

At least 19 recordsLinked to original sources
PubMed1992

Acquired dacryocystitis: microbiology and conservative therapy.

The dacryocystitis in adults is mainly caused by postsaccal stenosis of the lacrimal ducts. The banking up of the lacrimal fluid leads to an accumulation of germs and following infection. This report describes the clinical and microbiological findings in a large consecutive series of patients that presented at the outpatient clinic of the 2nd Department of Ophthalmology of the University of Vienna with the signs of acute, chronic recurrent or chronic infections of the lacrimal system between 1983 and the end of 1990. Within the bacterial genus Staphylococci (S. aureus, S. epidermidis and S. saprophyticus) were the most frequently isolated organisms (74 cultures = 50% out of samples with positive cultures). It was quite interesting that a significant number of gram-negative rods (37 = 25.5%) could be isolated. Of these microorganisms Escherichia coli was most frequently growing on special media (17 cases = 11.7%) when cultures were obtained from acute inflamed lacrimal sacs of patients who suffered from chronic recurrent infections. Conservative therapy of purulent dacryocystitis constitutes the last possible preparation for a necessary surgical intervention and therefore the authors want to point out the importance of microbiological examinations so as to optimize antibiotic therapy.

Acute Disease↗
PubMed1992

[Documentation of digital dacryocystography using video technique].

Digital dacryocystography is considered the optimal radiodiagnostic method in obstructions of the lacrimal pathways. The examination is carried out by a computer-controlled X-ray unit with a C-arc attached to an image-intensifying TV system. In this way the advantages of this technique and of modern video recording are linked. The bilateral filling process of the contrast medium is recorded and the findings simultaneously recorded on videotape. Consequently, pictures of the dynamic flow are retrievable at any time. This provides good diagnostic documentation and an outstanding basis for any scientific analysis.

Diagnosis, Differential↗
PubMed1992

Canaliculocystostomy combining microsurgery and fibrin sealing of the anastomosis.

I present a method of using fibrin sealing for anastomosis in canaliculocystostomy. A microsurgical resection of the stenosis of the common canaliculus is followed by silicone intubation of the lacrimal apparatus and fibrin sealing of the anastomosis of the canaliculi and the lacrimal sac. The silicone tube is removed 6 months postoperatively. This technique obviates microscopic sutures, reduces operating time, and provides hemostasis. Of seven patients with monolateral stenosis of the common canaliculus in whom this technique was used and who were followed for a minimum of 3 years, only one had a restenosis.

Anastomosis, Surgical↗
PubMed1991

Videodocumentation in digital dacryocystography.

The digital dacryocystography proved to be the optimum method of X-ray diagnostics in obstructions of the lacrimal pathways. The examination was performed with a computer controlled X-ray unit with a C-arc coupled to an image intensifier tv-system. In the study the advantages of this technique were combined with the advantages of modern videotechnique. A nonionic water soluble contrast medium was used. The bilateral contrast medium filling process was registrated and the findings were recorded on videotape concurrently. The videocassettes, marked with the data of the patients and the date of examination, are stored in a video-tape library. This provides an always repeatable diagnostic documentation and it is also an excellent base for scientific analyses. The technique and the results of the examinations, performed with 18 patients, are described.

Adult↗
PubMed1991

[Capsular sack implantation of heparin-modified posterior chamber lenses].

In a prospective study, heparin surface modified posterior chamber lenses were implanted into the capsular bag in 50 patients. The exact positioning of the biconvex, one-piece lens in the bag is the prerequisite for good centration and for an optimal result. The hydrophilisation of the originally hydrophobic PMMA material is achieved by heparin surface modification and results in less inflammation. The aim of this study was to investigate the postoperative behavior of the HSM posterior chamber lens implanted in the bag, with special consideration given to intraocular inflammation. In the postoperative follow-up time of one to seven months, hundred percent of the patients with physiological fundus reached a postoperative visual acuity of 0.7 or better.

Aged↗
PubMed1991

[Results of basal cell carcinoma surgery of the eyelids].

In the treatment of basal cell carcinoma there are still diagnostic and therapeutic problems. The wrong diagnosis resulting in inadequate treatment can lead to loss of the bulbus. In the following study 226 patients were operated on for basal cell carcinoma between 1980 and 1990. In 179 patients a primary eyelid tumor was removed and the rate of recurrence was 5.0%. In 47 patients with secondary eyelid tumors (recurrent tumors) a recurrence rate of 14.8% was found. The examination methods, surgical treatment and results are presented.

Adult↗
PubMed1990

[Treatment of basal cell carcinomas of the eyelid].

In the treatment of basal cell carcinomas of the eyelid, diagnostic and therapeutic problems are still existing. Primary wrong diagnosis and resulting inadequate treatment can lead to the loss of the bulbus. In the following study, 198 patients were operated on basal cell carcinoma between 1980 and 1988. In 155 patients a primary eyelid tumor was removed, and the recurrence rate was 4.52%. In 43 patients with secondary eyelid tumors (recurrent tumors), a recurrence rate of 18.6% was found. Most of the tumors were verified as solid, nodular or cystic types: 73.3%. The sclerodermiform type was found in 11.0%. The recurrence rate correlated clearly with horizontal extent and depth of the tumor, and with the appearance of the sclerodermiform type. Methods of examination, treatment and the results are presented.

Adult↗
PubMed1989

[Experimental transvitreal fibrin gluing of the retina].

The authors report on the transvitreal application of fibrin glue in retinal detachment surgery. Methods of application and the course of postoperative resorption are illustrated with reference to experimental studies on rabbit eyes. The prospects for this new method of creating chorioretinal adhesions are pointed out and discussed.

Animals↗
PubMed1989

[Canaliculo-cystostomy using the fibrin glue technic].

In ophthalmology the fibrin sealing technique has been used in corneal, scleral, conjunctival and lens surgery, as well as in oculoplastic surgery, namely in lid surgery. Fibrin sealing of the anastomosis of the canaliculo-cystostomy in combination with silicone intubation is a new indication for fibrin sealing. In seven patients with stenosis of the canaliculus communis due to chronic inflammation this new technique was successfully used. Technique of operation, advantages and results of this method are described.

Aprotinin↗
PubMed1988

Necrotizing destruction of the ocular adnexa by Pseudomonas aeruginosa.

In a six weeks old boy, a necrotizing Pseudomonas infection had destroyed nearly the whole lid apparatus, the lacrimal structures of the right eye and the medial canthal region, the medial thirds of the eyelids and the lacrimal passages on the left side. The infection was only controlled by intensive antibiotic therapy after more than two weeks. The exposure keratitis of the right eye was followed by corneal perforation, two months after the beginning of the therapy. A keratoplasty was performed, but soon a staphyloma and later, dense scarring developed. After the haematological and immunological situation was under control we could contemplate covering the large defect in the medial canthal area (open right canalis nasolacrimalis) at the age of seven months. The right lower lid has to be reconstructed later. The left eyelid defects have closed by spontaneous granulation. The little boy is no longer receiving antibiotic treatment and is developing very well.

Conjunctivitis↗
PubMed1988

[Entropion of the upper eyelid--surgical aspects].

At the end of the 19th century several surgical procedures for the treatment of upper eyelid entropion were described. At that time this type of entropion was much more common than it is today. The goal of treatment is to evert the lashes away from the lid margin. This can be accomplished by tightening the anterior lamella combined with a tarsal wedge resection, or by an upward transposition of the lid skin after splitting the upper lid apparatus. The resulting free anterior tarsal surface must be covered by a free graft to prevent tarsal shrinking. The latter would soon cause a recurrence. After upward transposition of the anterior lamella, the excised skin is very suitable for covering the free tarsal surface. A fibrin sealing method is used to fix the graft on the tarsus, thus making sutures unnecessary. Good results, primarily with regard to function, can be achieved with these methods.

Entropion↗
PubMed1987

The treatment of the post-enucleation socket syndrome.

Enucleation without using an orbital implant often causes enophthalmos, deep upper eyelid sulcus, ptosis and laxity of the lower lid. These signs constitute the post-enucleation socket syndrome. In order to cope with it, mainly the volume deficit of the orbit has to be filled with a silicone implant encased in homologous sclera. A new fixation technique of the sclera-silicone implant in the oribital cavity is described: an strong connection between sclera and orbital connective tissue can be achieved my means of the fibrin sealing method. In most cases adequate volume replacement can be achieved by using this technique. In addition the mobility of the artificial eye can be improved. Possible complications are discussed and the results are demonstrated.

Eye Diseases↗
PubMed1987

[Screening and monitoring studies on employees working with video display terminals].

Ophthalmological screening of 152 employees working at VDUs was carried out. In 62% of the people tested spectacles were prescribed for correction of vision at working range. Two years later a follow-up examination was performed. The correction had to be revised for 23% of the people working et VDUs. It is recommended that ophthalmological screening should not be restricted to people working at VDUs. All employees whose work involves close-range vision require regular ophthalmological check-ups.

Data Display↗
PubMed1987

[The pathogen spectrum in neonatal dacryocystitis].

The most common cause of congenital dacryostenosis is the persistence of Hasner's membrane, which in more than 90% of cases perforates during the first 4 to 6 weeks. If no perforation occurs, the tears gather in the lacrimal duct and lacrimal sac until the system is full and an inflammation starts. Formerly, dacryocystitis neonatorum was caused mainly by gram-positive cocci, in particular Streptococcus Pneumoniae; the primary cause now, in consequence of the abuse of antibiotics, are the gram-negative enterobacteriaceae. The most common agent still is Staphylococcus, which is becoming more and more resistant to gentamycin (26.5%). During the past 3 years 64 infants have been examined at the Second Eye Clinic of Vienna University. Smears were taken from the purulent discharge and tested in the usual microbiological way. The study shows the importance of exact diagnosis and specific therapy.

Bacteria↗
PubMed1987

[Digital dacryocystography].

The technique of conventional dacryocystography has recently been improved and extended by utilizing new technological developments. Digital dacryocystography, performed with computer-controlled X-ray equipment with a C-arc, and coupled to an image intensifier-TV system, enables the passage of the contrast medium to be observed, the image to be enlarged to any desired size, and also offers the advantages of digital subtraction angiography. A great deal of diagnostic information is thus obtained, making precise localization of stenoses of the lacrimal pathways possible. The method is especially useful for localizing stenoses of the lacrimal pathways, presaccal, intrasaccal and postsaccal stenoses which are difficult to demonstrate by conventional methods; and combined stenoses of the efferent lacrimal pathways. Exact localization is an essential prerequisite for choosing an appropriate surgical procedure.

Adolescent↗
PubMed1987

[Hema socket expander in primary conservative treatment of congenital anophthalmos].

In anophthalmos the forces which stimulate development and growth of the bony orbit are absent. As a result these cases have not only a tiny socket but also an underdeveloped bony orbit, which cannot retain an artificial eye. The small conjunctival sac and bony orbit can be mechanically enlarged by means of Hema socket expanders. This hydrophilic material can be manufactured in different forms and sizes and expands the socket and orbit by increasing in volume after hydration. After expanding the conjunctival sac to a certain size the next-larger form is fitted to the socket; the procedure is repeated until an artificial eye can be worn.

Acrylates↗