目的 對比A型超聲角膜測厚儀、OrbscanⅡ眼前節分析儀和Pentacam眼前節分析儀測量準分子激光原位角膜磨鑲術（LASIK）前后中央角膜厚度的差異。 方法 2010年10月－2011年3月，分別使用A型超聲角膜測厚儀、OrbscanⅡ和Pentacam眼前節分析儀測量137例（274只眼）近視患者LASIK前后中央角膜厚度，并對測量結果進行配對t檢驗和Pearson相關性分析。 結果 LASIK術前A型超聲、OrbscanⅡ和Pentacam測量值分別為（526.6 ± 34.1）、（516.6 ± 34.2）、（539.8 ± 31.5） μm，Pentacam測量值較A型超聲和OrbscanⅡ測量值高，差異有統計學意義（P＜0.05），而A型超聲和OrbscanⅡ測量值之間差異無統計學意義（P＞0.05）；LASIK術后6個月A型超聲、OrbscanⅡ和Pentacam測量值分別為（448.2 ± 48.5）、（391.9 ± 58.5）、（451.5 ± 46.4） μm，LASIK術后A型超聲和Pentacam測量值無差異（P＞0.05），而OrbscanⅡ測量值較A型超聲和Pentacam低；Pearson相關分析顯示，LASIK術后Pentacam和A型超聲CCT測量值呈高度相關（P＜0.05）。 結論 3種儀器的中央角膜厚度測量值不可互換，LASIK術后A型超聲和Pentacam量值較為準確。Objective To compare the difference in measurements of central corneal thickness (CCT) using A-scan, OrbscanⅡand Pentacam before and after laser in situ keratomileusis (LASIK). Methods Between October 2010 and March 2011, the CCT of 137 patients (274 eyes) were measured by A-scan, OrbscanⅡ and Pentacam, and the results were analyzed by paired t-tests and Pearson correlation. Results Before LASIK, the values of CCT measured by A-scan, OrbscanⅡ and Pentacam were (526.6 ± 34.1), (516.6 ± 34.2), and (539.8 ± 31.5) μm respectively; paired t-tests showed the CCT values obtained with Pentacam were significantly higher than those with other methods (P＜0.05), but there were no statistical significant differences between OrbscanⅡand Pentacam measurements (P＞0.05). Six months after LASIK, the values of CCT measured by A-scan, OrbscanⅡand Pentacam was (448.2 ± 48.5), (391.9 ± 58.5), and (451.5 ± 46.4) μm respectively; the CCT values obtained with A-scan and Pentacam didn’t differ much from each other (P＞0.05), and the CCT values obtained with OrbscanⅡwere lower than those obtained with A-scan and Pentacam. There was a high correlation between A-scan and Pentacam measurements. Conclusion The these methods measuring CCT could not be used interchangeably, and A-scan and Pentacam after LASIK were more precise than OrbscanⅡ.
目的 比較單純手法復位和手法復位合并口服抗眩暈藥治療良性陣發性位置性眩暈（BPPV）的短期和長期療效。 方法 將2004年1月－2011年6月期間收治的236例BPPV患者隨機分為兩組，對照組112例采用單純手法復位，觀察組124例在手法復位基礎上配合口服抗眩暈藥治療，兩組均于1周和3個月后復查，并隨訪觀察1年，且比較其療效。 結果 觀察隨訪1年后，對照組總治愈率92.86% (104/112），觀察組治愈率為93.54%（116/124），兩者比較差異無統計學意義。 結論 單純手法復位和手法復位合并口服抗眩暈藥治療BPPV其療效相當，但可作為BPPV患者的首選治療方法。Objective To evaluate the short-term and long-term effect of canalith repositioning procedures with or without anti-vertigo drugs on benign paroxysmal positional vertigo (BPPV). Methods A total of 236 cases of BPPV that were treated with particle repositioning maneuver with medicine treatment from January 2004 to June 2011. The patients were divided into control group (112 patients, underwent canalith repositioning procedures) and observation group (124 patients, underwent canalith repositioning procedures with medication of anti-vertigo drugs). The two groups were reappraised after one week and three months respectively, and the follow-up duration was one year. Results The success rate was 92.86% (104/112) in the control group and 93.55%(116/124) in the observation group one year after the treatment. The difference between the two groups was not significant. Conclusion The effect of canalith repositioning procedures with or without anti-vertigo drugs on BPPV does not differ much from each other.
