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Inferior results with unilateral compared with bilateral brace in Ponseti-treated clubfeet.

ABSTRACT: The Ponseti method for treating clubfoot was introduced in Norway in 2003, and a cohort of children has been followed for 8 to 11 years. In a previous study, we found good results after follow-up of two to five years, with 3% rate of extensive surgery (posterior release or posteromedial release). During 8 to 11 years of follow-up, the rate of extensive surgery increased to 11%. The children had been treated with a bilateral brace or a unilateral brace. In this multicentre study we aimed to compare these two post-corrective treatment methods.In all, 94 children (133 feet) were initially treated according to the Ponseti method, and had post-corrective treatment with either a bilateral foot abduction brace or a unilateral above-the-knee brace. The children were examined at a mean age of 9.3 years (8 to 11) regarding flexibility and deformity of the foot and ankle. Information including type of brace, brace compliance and surgical procedures was -obtained from the patient records. The parents answered questionnaires and radiographs were taken of the feet.Feet treated with a bilateral brace had better dorsal flexion (p = 0.008), plantar flexion (p = 0.02), external rotation (p = 0.001) and less forefoot adduction (p = 0.04) than feet treated with a unilateral brace. Children using a bilateral brace had a better Functional Rating System score (p = 0.005) and Disease Specific Instrument score (p = 0.02).Children treated with a bilateral brace had better parent-reported outcomes and more flexible feet than children treated with a unilateral brace. Our results do not support the use of a unilateral foot abduction brace in clubfoot treatment.

SUBMITTER: Sætersdal C

PROVIDER: S-EPMC5548038 | biostudies-other | 2017 Jun

REPOSITORIES: biostudies-other

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Project description:Unilateral brachial plexus injury (BPI) impairs sensory and motor functions of the upper limb. This study aimed to map in detail brachial plexus sensory impairment both in the injured and the uninjured upper limb. Touch sensation was measured through Semmes-Weinstein monofilaments at the autonomous regions of the brachial plexus nerves, hereafter called points of exclusive innervation (PEIs). Seventeen BPI patients (31.35 years±6.9 SD) and 14 age-matched healthy controls (27.57 years±5.8 SD) were tested bilaterally at six selected PEIs (axillary, musculocutaneous, median, radial, ulnar, and medial antebrachial cutaneous [MABC]). As expected, the comparison between the control group and the brachial plexus patients' injured limb showed a robust difference for all PEIs (p ≤ 0.001). Moreover, the comparison between the control group and the brachial plexus uninjured limb revealed a difference for the median (p = 0.0074), radial (p = 0.0185), ulnar (p = 0.0404), and MABC (p = 0.0328) PEIs. After splitting the sample into two groups with respect to the dominance of the injured limb, higher threshold values were found for the uninjured side when it occurred in the right dominant limb compared to the control group at the median (p = 0.0456), radial (p = 0.0096), and MABC (p = 0.0078) PEIs. This effect was absent for the left, non-dominant arm. To assess the effect of the severity of sensory deficits observed in the injured limb upon the alterations of the uninjured limb, a K-means clustering algorithm (k = 2) was applied resulting in two groups with less or more severe sensory impairment. The less severely affected patients presented higher thresholds at the median (p = 0.0189), radial (p = 0.0081), ulnar (p = 0.0253), and MABC (p = 0.0187) PEIs in the uninjured limb in comparison with the control group, whereas higher thresholds at the uninjured limb were found only for the median PEI (p = 0.0457) in the more severely affected group. In conclusion, an expressive reduction in touch threshold was found for the injured limb allowing a precise mapping of the impairment caused by the BPI. Crucially, BPI also led to reduced tactile threshold in specific PEIs in the uninjured upper limb. These new findings suggest a superordinate model of representational plasticity occurring bilaterally in the brain after a unilateral peripheral injury.

Project description:PurposeTo assess the results of partial monovision (PMV) in comparison to a bilateral monofocal implantation (MMV).MethodsThe PMV group was treated bilaterally with a monofocal intraocular lens (IOL) implantation, followed 3 months later by the implantation of a multifocal AddOn® lens (+ 3.00 D) into the non-dominant eye. The MMV group received a bilateral monofocal IOL implantation intending to achieve a slight anisometropia (0.0 D/ - 0.50 D). The near visual acuity (UNVA), intermediate visual acuity (UIVA), distance visual acuity (UDVA), defocus curve, and Lang-Stereotest II were conducted uncorrected, binocular, and minimum 3 months after the last operation. For the contrast sensitivity test, the patients were refractively corrected. The Quality of Vision Questionnaire (QoV), Visual Function Questionnaire (VF-14), spectacle independence, and general satisfaction were also assessed.ResultsA total of 27 PMV patients and 28 MMV patients without ocular diseases relevant to visual acuity were examined. The PMV group was significantly better at UNVA (0.11 ± 0.08 logMAR vs 0.56 ± 0.16 logMAR) and between - 2.00 and - 4.00 D in the defocus curve (p < 0.001). At the UIVA, the PMV group was slightly better (0.11 ± 0.10 logMAR vs 0.20 ± 0.18 logMAR) but not significant (p = 0.054). The UDVA (- 0.13 ± 0.09 logMAR vs - 0.09 ± 0.14 logMAR) (p = 0.315) and contrast sensitivity (p = 0.667) revealed no differences between the groups. The stereo vision was in favor of PMV (p = 0.008). Spectacle independence was statistically better for PMV at distance, intermediate, and near (distance p = 0.012; intermediate p < 0.001; near p < 0.001). In the VF-14 Questionnaire, the PMV was statistically superior (p < 0.001). The QoV Questionnaire showed no differences regarding frequency and severity of visual disturbances. Both groups were highly satisfied (p = 0.509).ConclusionPatients with PMV are more independent of glasses and are able to read without disadvantages in distance vision, due to halos and glare. The concept of PMV is well suited for the desire of eyeglass independence, without optical side effects.

Project description:ObjectiveVenous insufficiency is commonly bilateral, and patients often prefer single-episode care compared with staged procedures. Few studies have investigated clinical outcomes after unilateral vs bilateral venous ablation procedures or between staged and concurrent bilateral procedures. Here, we report data from the Vascular Quality Initiative regarding truncal venous ablation for chronic venous insufficiency.MethodsUsing data from the Vascular Quality Initiative, we investigated immediate postoperative as well as long-term clinical and patient-reported outcomes of patients undergoing unilateral vs bilateral truncal endovenous ablation from 2015 to 2019. We further investigated outcomes between staged bilateral and concurrent bilateral ablations. Preprocedural and postprocedural comparisons were performed using t-test, χ2 test, or their nonparametric counterpart when appropriate. Multivariable ordinal logistic regression was performed on ordinal outcome variables.ResultsA total of 5029 patients were included, of whom 3782 (75.2%) underwent unilateral procedures. Median follow-up was 227 days (interquartile range [IQR], 55-788 days). Unilateral patients were less likely to be female (67.0% vs 70.3%; P = .031) and white (86.3% vs 91.2%; P < .001) and had lower body mass index (30.3 ± 7.3 kg/m2 vs 31.8 ± 7.6 kg/m2; P < .001) compared with patients undergoing bilateral procedures. In addition, unilateral patients had fewer prior varicose vein treatments (23.0% vs 15.7%; P < .001) and had higher median preprocedural Venous Clinical Severity Score (VCSS; 8 [IQR, 6-10] vs 7 [IQR, 5.5-9]; P < .001). No difference was seen in complications (6.9% vs 8.2%; P = .292), and systemic complications were rare in both groups. No difference was seen in VCSS improvement after treatment (median, 3 [IQR, 1-6] for unilateral; median, 3 [IQR 1-5] for bilateral; P = .055). In comparing staged with concurrent bilateral procedures, there was no difference in overall complications (7.5% vs 12.2%; P = .144). Staged bilateral patients were older (56.9 ± 13.3 years vs 54.2 ± 12.9 years; P = .002), less likely to have had prior varicose vein treatment (14.3% vs 19.8%; P = .020), and more likely to be therapeutically anticoagulated (10.8% vs 6.5%; P = .028) compared with concurrent bilateral patients. Staged patients also have higher preprocedural VCSS compared with concurrent patients (median, 8 [IQR, 6-10] vs 7 [IQR, 5.5-9]; P < .001). In multivariable analysis, there was no difference in the likelihood of VCSS improvement for concurrent compared with staged procedures (odds ratio, 0.70; 95% confidence interval, 0.40-1.24; P = .226).ConclusionsConcurrent bilateral truncal endovenous ablation can be performed safely without increased morbidity compared with staged bilateral or unilateral ablations.

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Inferior results with unilateral compared with bilateral brace in Ponseti-treated clubfeet.

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