Patients' descriptions of visual sensations during pars plana vitrectomy under retrobulbar anesthesia.  

Oleh:

Sugisaka, Eiko ; Shinoda, Kei ; Ishida, Susumu ; Imamura, Yutaka ; Ozawa, Yoko ; Shinoda, Hajime ; Suzuki, Kotaro ; Tsubota, Kazuo ; Inoue, Makoto

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: American Journal of Ophthalmology (keterangan: ada di ClinicalKey) vol. 144 no. 02 (Aug. 2007), page 245.

Ketersediaan

Perpustakaan FK Nomor Panggil: A12.K.2007.02 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Purpose To investigate the visual sensations experienced by patients during vitrectomy under retrobulbar anesthesia. Design Cross-sectional study. Methods Fifty-six men and 45 women with a mean age of 62.2 ± 11.9 years (range, 30 to 89 years) were studied. Twenty-two eyes had an idiopathic epiretinal membrane, 10 had an idiopathic macular hole, 29 had macular edema (16 resulting from diabetic retinopathy and 13 resulting from retinal vein occlusion), 14 had proliferative diabetic retinopathy, 13 had rhegmatogenous retinal detachment, four had proliferative vitreoretinopathy, and nine had other retinal diseases. The patients were questioned about their visual sensations during and within three hours after vitrectomy, which was performed under retrobulbar anesthesia using 2% lidocaine hydrochloride. Visual sensations perceived by the patients during surgery were reviewed. Results Ninety-one of the 101 patients experienced some type of visual sensation during the vitrectomy. Ninety-one (90.1%) patients reported seeing lights, 73 (72.3%) patients reported seeing one or more colors, and 57 (56.4%) patients reported seeing movements or moving objects. Of these latter 57 patients, 54 saw instruments and nine (8.9%) saw the surgeon’s fingers or hands. In the 94 cases that had triamcinolone-assisted vitrectomy, 35 (37.2%) reported seeing many diffuse whirling black spots. Six patients (5.9%) found the visual experiences frightening. Conclusions Visual sensations are experienced by approximately 90% of the patients despite full pain control, and surgeons should warn patients of these possibilities because they can be frightening. This should minimize patients’ anxiety and stress during the surgery.

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