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Toshimitsu Suzuki

Publications and source records attributed to Toshimitsu Suzuki.

39 records · Page 3Linked to original sources
PubMedDate not supplied

Vitrectomy for diabetic macular edema: effect of glycemic control (HbA(1c)), renal function (creatinine) and other local factors.

AIMS: To determine the effect of preoperative factors on the foveal thickness following vitrectomy for diabetic macular edema. METHODS: Fifty-eight eyes of 47 patients underwent vitrectomy for diabetic macular edema. In all eyes, no clear, visible vitreomacular traction was present. Twelve eyes were pseudophakic before vitrectomy, and 31 eyes underwent concurrent phacoemulsification and intraocular lens (IOL) implantation. Multiple logistic regression analysis was used to assess the independent effect of age, history of photocoagulation, diabetic retinopathy status, preoperative posterior vitreous detachment, HbA(1c) and serum creatinine levels within 2 weeks before surgery, lens status after surgery and follow-up period on the foveal thickness determined by optical coherence tomography. RESULTS: The median preoperative visual acuity was 20/100 (range from 20/500 to 20/20), and the median postoperative visual acuity was 20/70 (range from 20/500 to 20/13). The preoperative visual acuity (logarithm of minimal angle of resolution; logMAR) was 0.73 +/- 0.36 (mean +/- SD; 20/107 Snellen acuity), and the mean postoperative logMAR visual acuity was 0.60 +/- 0.39 (20/80), which was significantly better than the mean preoperative value (Wilcoxon signed rank test, p = 0.011). The mean +/- SD of preoperative foveal thickness was 475.9 +/- 172.5 micrometer, and the mean postoperative foveal thickness was 277.3 +/- 171.9 micrometer. The mean postoperative foveal thickness was significantly thinner than the preoperative thickness (Student's paired t test, p < 0.0001). Multiple logistic regression analysis showed that a preoperative low HbA(1c) and postoperative pseudophakia were independently associated with the decrease in foveal thickness (p = 0.01, p = 0.04, respectively). CONCLUSIONS: The greater reduction in foveal thickness in eyes with an IOL probably resulted from a relatively larger amount of vitreous being removed during the vitrectomy. Because the decrease in foveal thickness may be related to the preoperative glycemic control and the amount of vitreous, these factors should be considered in the planning for vitrectomy.

Adult↗
PubMedDate not supplied

Variceal recurrence after endoscopic sclerotherapy associated with the perforating veins in lower esophagus independently.

BACKGROUND/AIMS: The perforating veins as a lateral blood supply route for esophageal varices in lower esophagus are associated with the recurrence of esophageal varices after sclerotherapy, but not vessels at the esophagogastric junction as an ascending blood supply route. To date, however, frequency of association perforating veins alone with variceal recurrence has not been investigated. To clarify the influence of perforating veins alone on variceal recurrence after endoscopic injection sclerotherapy, we studied the prevalence of variceal recurrence in patients with perforating veins detected by endoscopic ultrasonography after treatment. METHODOLOGY: Forty-two patients who underwent injection sclerotherapy and received endoscopic ultrasonography after treatment to evaluate the effect on the collaterals around the esophagus, were studied. Subjects were classified in four groups according to endosonographic findings as follows: group A: perforating veins (+) and vessels at esophagogastric junction (+), group B: perforating veins (+) and vessels at esophagogastric junction (-), group C: perforating veins (-) and vessels at esophagogastric junction (+), group D: perforating veins (-) and vessels at esophagogastric junction (-). RESULTS: Variceal recurrence was observed in 60% (6/10) of patients in group A, 64.3% (9/14) of patients in group B, 33.3% (1/3) of patients in group C, 0% (0/15) of patients in group D, respectively. The prevalence of variceal recurrence was compared between the 4 groups. No significant difference between group A or C and B was noted, and there was a significant difference between group A or B and D. CONCLUSIONS: These results suggested that perforating veins are highly associated with variceal recurrence after sclerotherapy even if perforating veins are independent.

Esophageal Perforation↗