{'fraction_non_alphanumeric': 0.021704180064308683, 'fraction_numerical': 0.006832797427652733, 'mean_word_length': 5.333333333333333, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Effect of ultrasound-guided pes anserine bursa injection on knee scores: A comparative study

INTRODUCTION: Pes anserine bursitis is a common clinical finding in patients with knee osteoarthritis. This causes significant disability and functional hindrance. Management includes medication, physiotherapy, and local steroid injection. Though many studies have been done in relation to the management of pes anserine bursitis, a comparative study for two techniques of giving local steroid injection is the first of its kind. AIM: The aim of this study was to compare the effect of ultrasound-guided versus blind corticosteroid injection in pes anserine bursa. MATERIALS AND METHODS: A total of 84 patients (comprising 100 injection limbs) attending the outpatient department of Physical Medicine and Rehabilitation at a tertiary care center were selected. Detailed demographic data were collected and each patient was examined clinically. American College of Radiology clinical classification criteria for knee osteoarthritis were used to diagnose knee osteoarthritis. All the patients were injected with methylprednisolone 80 mg (2 mL), half of them under ultrasound guidance and the other half by clinical judgment. All the study participants were evaluated using a visual analog scale (VAS) score and knee injury and osteoarthritis outcome score (KOOS), pre-procedure and post-procedure at 1 week, 1 month, and 3 months, to assess pain and the functional improvement using paired t test for intra-group and unpaired t test for inter-group comparison. RESULTS: Both the groups with comparable baseline assessment showed a significant improvement in the VAS score after the injection at 1 week, 1 month, and 3 months duration. Also, there was a significant improvement in the functional status in patients of both groups as indicated by the KOOS after the injection at 1 week, 1 month, and 3 months duration. However, there was no statistically significant difference in the outcome measured on VAS score with the two techniques. This implies that both techniques led to comparable VAS outcomes statistically. However, the functional outcome as indicated by KOOS score was significantly higher in the group injected under ultrasound guidance. CONCLUSION: KOOS assessment indicated that ultrasound-guided injection technique is superior to the blind technique. On the basis of the VAS score, no statistically significant difference was found in outcomes using the two different techniques.