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Biomedical subjects

J Barraquer

Publications and source records attributed to J Barraquer.

At least 37 records · Page 2Linked to original sources
PubMed1979

Keratoplasty in Fuchs' dystrophy and bullous keratopathy.

We studied the results in six cases of penetrating keratoplasty in Fuchs' dystrophy and bullous keratopathy. The prognosis has improved considerably in the last decade because of the advances and improvements in the fields of anesthesia, new drugs, better instrumentation, more refined surgical techniques performed under microscopic control, more meticulous selection of the graft, better knowledge of biologic mechanisms, and progress in the prevention, diagnosis, and management of complications.

Adult↗
PubMed1979

[Keratoplasty and reconstruction of the anterior segment of the eye after severe ocular trauma (author's transl)].

Severe ocular trauma is frequently not limited to the cornea, but affects the entire anterior segment of the eye. This requires "reconstruction" of the anterior segment. The procedure is long and complicated, but it is definitely justified to attempt to restore and save some vision, espeically in one-eyed patients or when both eyes have been affected by the accident.

Adolescent↗
PubMed1977

[Twenty-five years of experience with corneal grafts (author's transl)].

The progress in instrumentation and surgical techniques, as well as improvements in the knowledge of the biologic mechanisms have considerably enlarged the indications for keratoplasty. Even in unfavourable cases the prognosis has been notably improved by recent advances in medications and techniques to improve the conditions of the recipient and the operative technique, and also to limit the immunologic response. The use of impeccable instruments, meticulous selection of the graft and a refined surgical technique during the the operation are essential since neglect of any small detail may lead to failure of the operation. The graft and the recipient bed must be in perfect apposition. A very neat, smooth incision of the graft and the host window are imperative, as well as the application of a sufficient number of sutures. The sutures must be left in place for a sufficiently long period of time to ensure good cicatrization of the graft. Peripheral iridotomies or iridectomies facilitate the circulation of the aqueous humor avoiding the danger of postoperative pupillary block with all its consequences. The anterior chamber must be carefully restored, preferibly by air injection, to maintain the iris well away from the incision. It should be taken into account during the whole procedure that the endothelium is the most delicate and the most important structure of the graft as well as the host cornea. Contact with the instruments should be avoided and the sutures should provide good apposition of the endothelial edges. Early diagnosis and prompt adequate treatment of any accident or complication are essential. Undetected complications or incorrect management of the same may be responsible for failure of the operation and the final result may vary between a more or less opacified graft and the full-blown picture of phthisis bulbi. A number of illustrative cases are presented.

Adult↗
PubMed1977

[Keratoplasty in complicated cases (author's transl)].

Prognosis of corneal surgery has improved considerably owing to certain modern advances such as improved anesthesia, antibiotics, steroids, immunosuppressive drugs, better instruments, etc. Therefore it is now possible with the help of new techniques and medications to obtain very satisfactory results, even in cases which, in the past, were considered hopeless cases. Some examples from the author's personal experience are presented.

Conjunctiva↗
PubMed1977

[Considerations on surgery of the iris (author's transl)].

Surgery of the iris is of essential importance in anterior segment surgery. In angle closure glaucoma a peripheral iridectomy performed early enough, when the trabeculum is not yet altered, is curative. In simple glaucoma if a filtering operation is performed, the iridectomy is fundamental in order to have a good communication between the posterior chamber and the filtering bleb and to avoid iris incarceration into the filtering wound. In cataract surgery iridectomy is mandatory, especially in intracapsular extraction. In penetrating corneal grafts a patent iridotomy or iridectomy, or several, is a safety factor avoiding the consequences of pupillary block, anterior synechiae and irreducible mydriasis. Another important problem is the surgery of the iris for optical purposes. Other indications which are not discussed in this paper are trauma of the anterior segment of the eye, the removal of benign or malignant tumors, epithelial cysts etc.

Cataract Extraction↗