Objective： To investigate the necessity of modification to the traditional pigtail probe and evaluate its efficiency and therapeutic effect in searching the nasal cut ends and anastomosing the lacerated lacrimal cana...Objective： To investigate the necessity of modification to the traditional pigtail probe and evaluate its efficiency and therapeutic effect in searching the nasal cut ends and anastomosing the lacerated lacrimal canaliculus. Methods： Eighty-seven patients （including 87 eyes） suffering from canalicular laceration were randomized into two groups： 41 patients treated with traditional pigtail probes （Group A） and 46 with modified pigtail probes （Group B）. During the reconstruction of the lacerated canaliculi, the traditional pigtail probe and the modified pigtail probe were used respectively to seek for the nasal cut ends of lacerated lacrimal canaliculi. Peripherally inserted central catheter （PICCTM） silicone tube with diameter of 0.95 mm was intubated as a stent for 4-6 months. The surgical outcomes were retrospectively analyzed after stent removal. Results： In Group B, the primary success rate of searching the nasal cut ends of lacerated lacrimal canaliculi was 93.48% （43/46） and the final success rate was 97.83% （45/46）. No false passage formed in Group B. Statistical sig- nificance was found between Group A and Group B as the primary success rates of searching the nasal cut ends （ x^2 = 10.522, P〈0.01） and the false passage forming rates were concerned （ x^2=4.704, P〈0.05）, whereas no significance was found between the two groups as the final success rates were concerned （ x^2=0.007, P〉0.05）. The mean time of searching the nasal cut ends of lacerated lacrimal canaliculi in Group B was （5.02±2.73） minutes and the mean time of operation was （33.90±4.84） minutes, and both were significantly shorter than those of Group A （t1=9.779, t2=10.700, P〈0.01）. The cure rate of Group B was 95.65%, though higher than that of Group A, no statistical significance was found （Z=-1.007, P〉0.05）. Totally, 2 patients （2.30%） were found to be absent of common canaliculus and underwent bicanalicular nasal intubation in the two groups. Conclusions： Pigtail probes are efficient and convenient apparatus for searching the nasal cut ends of the lacerated lacrimal canaliculi in the reconstruction of canalicular laceration. Necessary or proper modifications to the pigtail probes can minimize the risk of iatrogenic damages or complications and enhance the efficiency and therapeutic effect of canalicular repair.展开更多
· AIM: To evaluate the application of ultrasound biomicroscopy(UBM) in the examination of lacrimal canalicular diseases, and to investigate UBM image characteristics of lacrimal canaliculi in disease states.·...· AIM: To evaluate the application of ultrasound biomicroscopy(UBM) in the examination of lacrimal canalicular diseases, and to investigate UBM image characteristics of lacrimal canaliculi in disease states.·METHODS: Sixty cases(63 eyes, 69 canaliculi) of lacrimal canalicular diseases were enrolled that included32 patients(32 eyes, 32 canaliculi) with chronic lacrimal canaliculitis, 18 patients(18 eyes, 18 canaliculi) with previous lacrimal canalicular laceration, 9 patients(12eyes, 18 canaliculi) with congenital absence of lacrimal puncta and canaliculi, and 1 case(1 eye, 1 canaliculus)of canalicular mass. The patients were examined using UBM, and disease-specific features of the UBM images were noted.· RESULTS: UBM imaging of lacrimal canaliculi in chronic canaliculitis patients showed obvious ectasia of the lacrimal canalicular lumen. Dot-like moderate echoic signals were detected on some ectatic lumina of the lacrimal canaliculus. Some lumen-like structures of the lower lacrimal canaliculus were observed in 2(2 eyes, 2canaliculi) of the 9 patients(12 eyes, 18 canaliculi) with congenital absence of the lacrimal canaliculus. Of the 18patients(18 eyes, 18 canaliculi) with previous lacrimal canalicular laceration, the lacerated end on the nasal side of the lacrimal canaliculus was detected only in 14patients(14 eyes, 14 canaliculi).·CONCLUSION: UBM can be used to evaluate lacrimal canalicular diseases and can provide an imaging basis for the diagnosis of lacrimal canalicular diseases.展开更多
文摘Objective： To investigate the necessity of modification to the traditional pigtail probe and evaluate its efficiency and therapeutic effect in searching the nasal cut ends and anastomosing the lacerated lacrimal canaliculus. Methods： Eighty-seven patients （including 87 eyes） suffering from canalicular laceration were randomized into two groups： 41 patients treated with traditional pigtail probes （Group A） and 46 with modified pigtail probes （Group B）. During the reconstruction of the lacerated canaliculi, the traditional pigtail probe and the modified pigtail probe were used respectively to seek for the nasal cut ends of lacerated lacrimal canaliculi. Peripherally inserted central catheter （PICCTM） silicone tube with diameter of 0.95 mm was intubated as a stent for 4-6 months. The surgical outcomes were retrospectively analyzed after stent removal. Results： In Group B, the primary success rate of searching the nasal cut ends of lacerated lacrimal canaliculi was 93.48% （43/46） and the final success rate was 97.83% （45/46）. No false passage formed in Group B. Statistical sig- nificance was found between Group A and Group B as the primary success rates of searching the nasal cut ends （ x^2 = 10.522, P〈0.01） and the false passage forming rates were concerned （ x^2=4.704, P〈0.05）, whereas no significance was found between the two groups as the final success rates were concerned （ x^2=0.007, P〉0.05）. The mean time of searching the nasal cut ends of lacerated lacrimal canaliculi in Group B was （5.02±2.73） minutes and the mean time of operation was （33.90±4.84） minutes, and both were significantly shorter than those of Group A （t1=9.779, t2=10.700, P〈0.01）. The cure rate of Group B was 95.65%, though higher than that of Group A, no statistical significance was found （Z=-1.007, P〉0.05）. Totally, 2 patients （2.30%） were found to be absent of common canaliculus and underwent bicanalicular nasal intubation in the two groups. Conclusions： Pigtail probes are efficient and convenient apparatus for searching the nasal cut ends of the lacerated lacrimal canaliculi in the reconstruction of canalicular laceration. Necessary or proper modifications to the pigtail probes can minimize the risk of iatrogenic damages or complications and enhance the efficiency and therapeutic effect of canalicular repair.
文摘· AIM: To evaluate the application of ultrasound biomicroscopy(UBM) in the examination of lacrimal canalicular diseases, and to investigate UBM image characteristics of lacrimal canaliculi in disease states.·METHODS: Sixty cases(63 eyes, 69 canaliculi) of lacrimal canalicular diseases were enrolled that included32 patients(32 eyes, 32 canaliculi) with chronic lacrimal canaliculitis, 18 patients(18 eyes, 18 canaliculi) with previous lacrimal canalicular laceration, 9 patients(12eyes, 18 canaliculi) with congenital absence of lacrimal puncta and canaliculi, and 1 case(1 eye, 1 canaliculus)of canalicular mass. The patients were examined using UBM, and disease-specific features of the UBM images were noted.· RESULTS: UBM imaging of lacrimal canaliculi in chronic canaliculitis patients showed obvious ectasia of the lacrimal canalicular lumen. Dot-like moderate echoic signals were detected on some ectatic lumina of the lacrimal canaliculus. Some lumen-like structures of the lower lacrimal canaliculus were observed in 2(2 eyes, 2canaliculi) of the 9 patients(12 eyes, 18 canaliculi) with congenital absence of the lacrimal canaliculus. Of the 18patients(18 eyes, 18 canaliculi) with previous lacrimal canalicular laceration, the lacerated end on the nasal side of the lacrimal canaliculus was detected only in 14patients(14 eyes, 14 canaliculi).·CONCLUSION: UBM can be used to evaluate lacrimal canalicular diseases and can provide an imaging basis for the diagnosis of lacrimal canalicular diseases.
