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Biomedical subjects

Franco M Recchia

Publications and source records attributed to Franco M Recchia.

13 recordsLinked to original sources

Subclinical endophthalmitis following a rooster attack.

Ocular injury resulting from rooster attacks is rarely reported in the literature. Sadly, the target of these attacks is most often children younger than 3 years old, whose naiveté of the aggressive, territorial behavior of birds can place them at risk. Acute sequelae of these attacks can result in a lifetime of visual impairment. The possibility of a subacute or occult infection is an unusual occurrence that must always be considered. In an effort to prevent future attacks and ocular casualties, we present a case of a 12-month-old boy who suffered an open globe following a rooster attack. The open globe was emergently repaired. One week later, a white cataract was noticed on examination in the absence of systemic or ocular signs of inflammation. Traumatic endophthalmitis and lenticular abscess were suspected during examination under anesthesia. Vitrectomy, lensectomy, and injection of intravitreal antibiotics were performed. Culture of lenticular and vitreous aspirates grew alpha-streptococcus. Alpha-streptococcal endophthalmitis can result from ocular injuries caused by rooster pecking. The infection may present insidiously and without typical ocular or systemic symptoms or signs. Management is challenging and may require surgery.

Animals↗

Changing trends in the microbiologic aspects of postcataract endophthalmitis.

OBJECTIVE: To analyze the microbiologic spectrum and in vitro susceptibility profiles over the last 11 years of organisms isolated from the vitreous of patients with endophthalmitis following cataract surgery. METHODS: Records of 497 consecutive patients treated at 1 institution for clinically suspected endophthalmitis following cataract surgery from July 1989 through June 2000 were reviewed. Results of microbiologic culture and in vitro antibiotic susceptibility testing from the periods 1989 to 1994 and 1995 to 2000 were compared. RESULTS: Between the 2 periods, there was a significant increase in the incidence of gram-positive bacteria (92%-97% of bacterial isolates). There was a significant increase in resistance among all bacterial isolates to ciprofloxacin (23%-37%; P = .02). There was increased resistance among coagulase-negative staphylococci to both ciprofloxacin (20%-38%) and cefazolin (19%-40%). Resistance to bacitracin, trimethoprim-sulfamethoxazole, and vancomycin remained unchanged. Vancomycin retained in vitro efficacy against more than 99% of gram-positive bacteria. Ceftazidime was effective against 100% of gram-negative bacteria tested. CONCLUSIONS: The spectrum of pathogens causing postcataract endophthalmitis is changing, and resistance to antibiotics used for its prophylaxis has grown. These findings may affect the empirical treatment of postcataract endophthalmitis, as well as the use and choice of antibiotics in patients undergoing cataract surgery.

Adolescent↗

Pars plana vitrectomy with removal of the internal limiting membrane in the treatment of persistent diabetic macular edema.

PURPOSE: To evaluate the benefit of pars plana vitrectomy (PPV) and removal of the internal limiting membrane (ILM) in eyes with diffuse diabetic macular edema refractory to laser photocoagulation. DESIGN: Prospective, consecutive, interventional case series. METHODS: Diabetic patients with biomicroscopic, angiographic, and tomographic evidence of diabetic macular edema persisting for at least 3 months after numerous sessions of macular photocoagulation were evaluated for inclusion. Patients with biomicroscopic evidence of epiretinal membrane or taut posterior hyaloid, previous vitreoretinal surgery, or active proliferative diabetic retinopathy were excluded. The main outcome measures were macular thickness, as measured by optical coherence tomography (OCT) and visual acuity (VA). RESULTS: PPV with ILM removal was performed in 11 eyes of 10 patients (four men, six women; mean age = 58.2 years). Six-month follow-up data were available for 10 eyes (91%). At 6 months postoperatively, central macular thickness had improved by at least 20% in eight of 11 eyes (mean preoperative thickness of 421 mum compared with mean postoperative thickness of 188 mum; P = .007). Mean VA improved from 20/352 to 20/94 at 6 months (P = .002). By the most recent visit (range = 6-20 months postoperatively), VA had improved by at least 2 Snellen lines in 6 of 10 eyes treated with surgery alone. CONCLUSIONS: The early results of this ongoing study suggest that PPV with ILM removal may provide anatomic and visual benefit in some eyes with chronic diabetic macular edema unresponsive or unamenable to additional laser photocoagulation.

Adult↗

Clinical course of younger patients with central retinal vein occlusion.

OBJECTIVE: To describe the clinical course of patients 55 years and younger with central retinal vein occlusion (CRVO). DESIGN AND METHODS: Retrospective, noncomparative case series. Medical records of 67 patients were reviewed for demographic, photographic, clinical, and visual acuity (VA) data. Data from 57 patients with at least 6 months of follow-up (mean, 29.2 months) were analyzed statistically. MAIN OUTCOME MEASURES: Best-corrected visual acuity and incidence of intraocular neovascularization. RESULTS: Of 67 consecutive patients (55% men; mean age, 45 years), the median presenting VA was 20/50. Forty-five patients (67%) were found to have at least 1 systemic disease. In 57 patients with at least 6 months of follow-up, the final VA was 20/40 or better in 42%, 20/50 to 20/100 in 18%, and 20/200 or worse in 40%. Visual decline was most common within 3 to 6 months of CRVO onset. Visual improvement was uncommon after 12 months. Of the 22 patients with a presenting VA of 20/40 or better, 36% declined to 20/400 or worse at the most recent examination. Of the 10 patients with a presenting VA of 20/200 to 20/400, 8 improved to 20/60 or better. None of the 6 patients with a presenting VA of counting fingers or worse improved. Intraocular neovascularization was diagnosed at 1 to 9 months following CRVO in 10 patients (18%). Neovascularization of the anterior segment developed in 6 patients (11%), including neovascular glaucoma in 3 (5%). The occurrence of neovascularization appeared to be unrelated to sex, age, presence of associated disease, duration of symptoms, or presenting VA. CONCLUSIONS: Younger patients with CRVO have a variable clinical course. Presenting VA does not appear to be predictive of visual or anatomic outcome. As a significant number of patients with good vision at presentation develop legal blindness, therapeutic intervention during periods of visual decline may be considered in these patients.

Adult↗

Bleb-associated endophthalmitis: clinical characteristics and visual outcomes.

PURPOSE: To analyze the clinical characteristics and treatment outcomes of patients with bleb-associated endophthalmitis (BAE). DESIGN: Retrospective, noncomparative, interventional case series. PARTICIPANTS: Consecutive patients treated at one institution for BAE. INTERVENTIONS: Prompt pars plana vitrectomy (PPV) with intravitreal injection of antibiotics, or prompt vitreous biopsy and intravitreal injection of antibiotics (tap and inject). METHODS: Retrospective analysis of 68 consecutive cases of BAE between July 1, 1989 and June 30, 2001. Clinical presentation, treatment modality, microbiologic data, and clinical course were analyzed. Visual outcomes were compared between vitrectomy and tap-and-inject groups, culture-positive and culture-negative groups, and early and late times. MAIN OUTCOME MEASURES: Snellen visual acuities (VAs) at 3 months and 12 months after treatment and at most recent follow-up. RESULTS: The incidence of no light perception (NLP) at 12 months after treatment for BAE was 35%. Vitreous isolates included streptococcal species (32% of positive cultures), Staphylococcus epidermidis (26%), Enterococcus, and Serratia (12% each). Patients with a positive vitreous culture had significantly worse VA (median, hand movements [HM] at 3 and 12 months after treatment) and a higher rate of NLP vision. Patients treated with tap-and-inject had a significantly worse final VA (medians, HM at 3 months and LP at 12 months) and a significantly higher rate of NLP vision than patients treated with PPV. One third of patients who underwent PPV achieved a final VA of 20/100 or better 12 months after treatment (P = 0.09). CONCLUSIONS: Bleb-associated endophthalmitis causes significant visual morbidity. Patients with culture-negative BAE and patients treated with prompt PPV may achieve better visual outcome.

Aged↗

Outpatient management of traumatic microhyphema.

OBJECTIVE: This study was performed to evaluate the clinical course of patients treated for traumatic microhyphema and the occurrence of elevated intraocular pressure (IOP) and secondary hemorrhage in these patients. DESIGN: Retrospective noncomparative case series. PARTICIPANTS: Records of all patients treated for traumatic microhyphema through the Wills Eye Hospital Emergency Department from January 1997 through September 1999 were analyzed retrospectively. Patients examined for 3 consecutive days after presentation and 2 weeks after initial presentation were included. Patients with open-globe injury were excluded. A total of 162 patients met the study criteria. INTERVENTION: All patients were treated initially as outpatients according to the standard Wills Eye Hospital protocol for traumatic microhyphema (atropinization, bedrest, shield, restriction of antiplatelet medications). Three patients were subsequently hospitalized. MAIN OUTCOME MEASURES: The occurrence of IOP elevation (greater than 21 mmHg) and rebleeding was recorded. The effect of topical corticosteroids was evaluated. RESULTS: IOP was elevated in 14 patients. Six patients had IOP less than 26 mmHg and required no treatment. Six patients had IOP greater than 26 mmHg and received medical treatment. In two patients, IOP increased after initial presentation. Of 150 patients with normal IOP at presentation, only one (0.7%) developed an elevated IOP at any point to warrant treatment (28 mmHg). Rebleeding was documented in three patients, one of whom developed a layered hyphema. The incidence of rebleeding was not statistically associated with the use of topical corticosteroids. CONCLUSIONS: Complications from traumatic microhyphema treated with standard measures are few. Closeness of follow-up may be determined by IOP on presentation. Secondary hemorrhage seems to be unaffected by the use of topical corticosteroids.

Adolescent↗

Visual and anatomical outcome following submacular surgery for choroidal neovascularization secondary to Candida endophthalmitis.

PURPOSE: To report the long-term visual and anatomical outcomes for patients treated with submacular surgery for choroidal neovascularization associated with endogenous candidal endophthalmitis. METHODS: Review of the medical records, fluorescein angiograms, fundus photographs, and histopathologic specimens of patients treated with submacular surgery for choroidal neovascularization following candidal endophthalmitis. RESULTS: This series included 3 patients (1 woman and 2 men) who were 26, 30, and 60 years of age. Each patient had received systemic antifungal treatment for culture-proven candidal septicemia before the development of choroidal neovascularization. Each patient had bilateral choroidal neovascularization diagnosed by biomicroscopic examination and angiographic appearance: 2 eyes had an active subfoveal membrane; 2, an active juxtafoveal subretinal membrane; and 2, a mixture of active subfoveal neovascularization with subfoveal fibrosis. Submacular surgery was performed on five eyes with choroidal neovascularization; one eye with subfoveal fibrosis was observed. Visual acuity improved substantially in 4 eyes of 3 patients treated with submacular surgery. Visual improvement was limited in the two eyes with preexisting submacular fibrosis. During 13-month to 82-month follow-ups, vision remained stable, with no recurrence of neovascularization. CONCLUSION: Choroidal neovascularization can cause severe visual loss in patients with endogenous candidal infection. Submacular surgery with removal of choroidal neovascularization may restore vision in selected patients. Subfoveal fibrosis may limit visual improvement.

Adult↗

Self-reported acute decrease in visual acuity after photodynamic therapy for age-related macular degeneration.

PURPOSE: To evaluate the incidence of self-reported decrease in visual acuity within 7 days of photodynamic therapy (PDT) for choroidal neovascularization secondary to age-related macular degeneration (AMD) and to describe the anatomical and clinical course of patients with documented significant visual loss. METHODS: Consecutive records of all patients with exudative AMD treated with PDT over a 16-month period at a community-based retina referral practice were reviewed for instances of self-reported visual change within 7 days of treatment. The primary outcome measure was Snellen visual acuity. Secondary outcome measures were fluorescein angiography (FA) and anatomical findings. RESULTS: Among 1,894 PDT treatments performed for 821 patients, there were 32 instances (for 30 patients) of self-reported visual change within 7 days of PDT. A decrease in > or =2 lines of Snellen visual acuity was documented for 10 patients (1.2% of patients or 0.5% of treatments), and all occurred within 3 days of PDT (median, 1 day) in all patients. Median pre-PDT vision was 20/60 (range, 20/50 to 20/200). Vision within 3 days after PDT was 20/100 or worse in all 10 cases and counting fingers or worse in 3. Subretinal hemorrhage occurred in four cases. FA of eyes without hemorrhage showed a circular area of choroidal hypoperfusion (corresponding to the PDT spot) in all five eyes with persistence of the hypofluorescence up to 4 months later. Visual improvement after the initial acute decrease was seen in 3 patients (30%; 95% confidence interval, 7-65%) by 3 months after PDT. CONCLUSIONS: Acute visual decrease after PDT for AMD is uncommon. Visual recovery may occur in some patients, but a precise estimate is difficult to determine given the small sample size.

Acute Disease↗

Optical coherence tomography findings in ocular decompression retinopathy.

Three days following trabeculectomy surgery, a 47-year-old woman experienced a decline in visual acuity to 20/400. Fundus findings were consistent with decompression retinopathy, and optical coherence tomography revealed macular thickening, cystoid macular edema, and neurosensory macular detachment. The foveal anatomy normalized following topical treatment, and visual acuity returned to 20/30 by 10 weeks postoperatively. Both macular detachment and cystoid macular edema may contribute to acute decline in visual acuity in decompression retinopathy. Optical coherence tomography facilitated the prompt detection of treatable pathology, which resolved following appropriate medical therapy.

Anti-Inflammatory Agents, Non-Steroidal↗