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Efficacy and Safety of Inhalation Sedation during Office Probing for Congenital Nasolacrimal Duct Obstruction.

ABSTRACT: We compared the effectiveness of inhaled sevoflurane versus physical restraint during probing in children with congenital nasolacrimal duct obstruction (CNLDO). We performed a retrospective review of children with CNLDO who underwent office probing procedures by a single surgeon under sedation or restraint. Patients' characteristics at the time of probing, including age, sex, laterality, previous non-surgical treatment, presence of dacryocystitis, outcomes of probing, and complications were compared between the sedation and restraint groups. A multivariable logistic regression analysis was performed to investigate the prognostic factors associated with the success of probing. A subgroup analysis by 12 months of age was also conducted. The overall success rate was 88.6% in 202 eyes of 180 consecutive children (mean age, 15.1 ± 7.7 months). The sedation group had a marginally higher success rates than the restraint group (93.8% vs. 85.1%, p = 0.056). The success rate was not significantly different between the two groups in children aged <12 months (90.9% vs. 93.1%, p = 0.739), but it was significantly higher in the sedation group (94.7% vs. 77.8%. p = 0.006) in children aged ≥12 months. Inhalation sedation was the most potent factor associated with success (adjusted odds ratio = 5.56, 95% confidence interval = 1.33-23.13, p = 0.018) in children aged ≥12 months. There were no surgical or sedation-related complications intra- and postoperatively. Inhaled sevoflurane sedation resulted in more successful, controlled, painless probing, particularly in children aged ≥12 months. It represents a safe, efficient alternative to general anesthesia.

SUBMITTER: Lee C

PROVIDER: S-EPMC8074913 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Importance:Although the overall rate of spontaneous resolution in congenital nasolacrimal duct obstruction (CNLDO) and efficacy of probing have been documented in the literature, the optimal timing of intervention has not been established. Objective:To report new findings regarding spontaneous resolution in a large cohort of children with CNLDO. Design, Setting, and Participants:The medical records of 1998 consecutive infants diagnosed with CNLDO from January 1, 1995, through December 31, 2004, while residing in Olmsted County, Minnesota, were retrospectively reviewed. Data were analyzed between January 1, 2015, and January 2017. Main Outcomes and Measures:Rate of spontaneous resolution over time and by sex. Results:The cohort, diagnosed at a median age of 1.2 months (interquartile range, 0.4-3.6), was 48% girls (n = 959) and 89% white (n = 1626; 173 were unreported). Among the 1998 cases, 1669 (83.5%) spontaneously resolved, 289 (14.5%) underwent treatment, and the remaining 40 (2.0%) were lost to follow-up. Of the 1958 infants followed up, CNLDO in 925 (47.3%) spontaneously resolved by age 3 months, in 1300 (66.4%) by 6 months, in 1472 (75.7%) by 9 months, and in 1516 (78.4%) by 12 months. The rate of resolution was 35% faster (95% CI, 23%-47%; P?<?.001) at less than 1 month vs 3 months, 43% faster (95% CI, 27%-64%; P?<?.001) at 3 months vs 6 months, 39% faster (95% CI, 16%-64%; P?<?.001) at 6 months vs 9 months, and 1% slower at 9 months vs 12 months (hazard ratio, 0.99; 95% CI, 0.80-1.22; P?=?.78). Congenital nasolacrimal duct obstruction resolved in boys 0.5 months (95% CI, 0.2-0.8; P?<?.001) faster than girls (median, 2.9 vs 3.4 months), and unilateral obstructions resolved 0.2 months (95% CI, 0.1-0.4; P?=?.002) faster than bilateral (median, 3.1 vs 3.3 months) ones. Children probed at 15 months or older had decreased odds of resolution after probing (odds ratio, 0.11; 95% CI, 0.01-0.89; P?=?.04) compared with children probed at age 12 to 14 months. Conclusions and Relevance:Based on this large cohort of children with CNLDO, probing between age 9 and 15 months may be reasonable given that the rate of spontaneous resolution plateaued after 9 months and initial probing success declined after 15 months. This time frame supports both an earlier and narrower range of ages for intervention compared with the current practice of probing after age 1 year.

Project description:BackgroundCongenital nasolacrimal duct obstruction (CNLDO) is one of the main causes of epiphora in infants, and antibiotics are usually used as a conservative therapy in the first year. Yet, little is known about the bacteriology of the occluded lacrimal drainage system in this group of patients. The aim of this study was to evaluate the microbiology of lacrimal sac (LS) in Chinese children with CNLDO in their first year of life.MethodsPatients with CNLDO between May 1, 2017 and August 31, 2018 at a tertiary care children's hospital were enrolled. The study recruited infants who received lacrimal probing under 1 year old, and refluxed discharge from LS was collected. Samples were cultured and susceptibility test was performed for positive culture.ResultsThirty-two patients with CNLDO were included. The ratio of male to female was 23:9. The mean age was 6.7 ± 2.4 (1.7-12) months. Positive cultures was identified in 87.5% of the sample, and presented 38 strains of bacteria. Mixed infection was identified in 10 (31.3%) children. Gram-positive bacteria accounted for 60.5% of all the strains, with Streptococcus (50%) being the most frequent species, whereas Haemophilus (21.1%) and Neisseriae (13.2%) were most common isolates for Gram-negative organisms. Methicillin-resistant Staphylococcus aureus (MRSA) was detected in 2 infants whose symptoms resolved by a routine probing. No difference of bacteriology pattern was detected between patients under 6 months old and those beyond. The pathogens were highly sensitive to chloramphenicol (88%) and levofloxacin (84%), but resistant to erythromycin (40%) and sulfamethoxazole (32%).ConclusionsInfants with CNLDO under 1 year of age presented predominance of Streptococcus as Gram-positive organism, and Haemophilus as Gram-negative organism. Levofloxacin was an active topical antibiotic agent with few chance of resistance especially for Chinese children. These findings could help clinicians choose optimal medicine for CNLDO as the conservative treatments.

Project description:To compare the cost-effectiveness of 2 approaches for treating unilateral nasolacrimal duct obstruction (NLDO).One hundred sixty-three infants aged 6 to less than 10 months with unilateral NLDO were randomly assigned to receive immediate office-based nasolacrimal duct probing (n = 82) or 6 months of observation/nonsurgical management (n = 81) followed by probing in a facility for persistent symptoms.Treatment success was defined as the absence of clinical signs of NLDO (epiphora, increased tear lake, mucous discharge) on masked examination at age 18 months. Cost of treatment between randomization and age 18 months included costs for all surgical procedures and medications.In the observation/deferred facility-probing group, NLDO resolved within 6 months without surgery in 44 of the 67 patients (66%; 95% CI, 54% to 76%) who completed the 6-month visit. Twenty-two (27%) of the 81 patients in the observation/deferred facility-probing group underwent surgery, 4 of whom were operated on within the initial 6 months. At age 18 months, 69 of 75 patients (92%) in the immediate office-probing group were treatment successes, compared with 58 of 71 observation/deferred facility-probing group patients (82%) (10% difference in success; 95% CI, -1% to 21%). The mean cost of treatment was $562 in the immediate office-probing group compared with $701 in the observation/deferred facility-probing group (difference, -$139; 95% CI, -$377 to $94). The immediate office-probing group experienced 3.0 fewer months of symptoms (95% CI, -1.8 to -4.0).The immediate office-probing approach is likely more cost-effective than observation followed by deferred facility probing if needed. Adoption of the immediate office-probing approach would result in probing in approximately two-thirds of infants whose obstruction would have resolved within 6 months of nonsurgical management, but would largely avoid the need for probing under general anesthesia.Although unilateral NLDO often resolves without surgery, immediate office probing is an effective and potentially cost-saving treatment option.clinicaltrials.gov Identifier: NCT00780741.

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Efficacy and Safety of Inhalation Sedation during Office Probing for Congenital Nasolacrimal Duct Obstruction.

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