Publications by authors named "Henrichsen J"

Article Synopsis
  • Septic arthritis is a serious condition that can be tricky to diagnose, especially when a patient also has crystal arthritis like gout or pseudogout, as their symptoms are quite similar.
  • Diagnosis usually involves analyzing synovial fluid through arthrocentesis, but the presence of crystals does not exclude the possibility of septic arthritis, which is confirmed through positive cultures.
  • A study found that higher total nucleated cell counts (TNC), elevated CRP levels, and a higher percentage of polymorphonuclear cells significantly increase the likelihood of a positive culture for septic arthritis, particularly in females.
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Article Synopsis
  • Periacetabular osteotomy (PAO) is a surgical option for hip dysplasia, but complications like superior ramus osteotomy non-union can occur. This study aimed to identify the incidence and risk factors associated with this complication, analyzing 316 hips over a year of follow-up.
  • Out of the analyzed hips, 29 (9.2%) experienced non-union, with significant differences in age, pre-operative lateral center-edge angle (LCEA), and distance from the osteotomy site between those who healed and those who did not.
  • Multivariate analysis revealed that older age, moderate-to-severe dysplasia (LCEA < 15°), and a medial location of the oste
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This article discusses two rare cases of intra-labral pigmented villonodular synovitis (PVNS) of the hip. The hip joint represents the second most common location of pigmented villonodular synovitis, second to the knee [1]. The majority of hip PVNS cases either diffusely involve the synovium or are focal lesions within the joint.

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Background: Anterior inferior iliac spine (AIIS) impingement has been increasingly recognized as a source of extra-articular impingement and hip pain. However, no aggregate data analysis of patient outcomes after AIIS decompression has been performed.

Purpose: To evaluate outcomes after arthroscopic AIIS decompression.

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Objectives: This study aimed to evaluate changes in validated symptom scores at intake and discharge in women undergoing pelvic floor physical therapy (PFPT) for pain and other pelvic floor symptoms.

Methods: Consecutive women starting PFPT during 1 year were reviewed. History, demographics, and Pelvic Floor Distress Inventory Questionnaire - Short Form 20 (PFDI) total and domain scores (Pelvic Organ Prolapse Distress Inventory-6, Urogenital Distress Inventory-6, Colorectal-Anal Distress Inventory-8), Pelvic Floor Impact Questionnaire (PFIQ-7), and pain levels on a numeric rating scale (NRS) were collected at intake and discharge.

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Polyethylene (PE) remains the gold standard for the articulating surface in hip and knee arthroplasty. To increase arthroplasty longevity and improve wear resistance, newer versions of PE have been designed with resultantly different wear properties. Highly cross-linked polyethylene (HXLPE) is used in total hip arthroplasty with excellent outcomes; however, its use in total knee arthroplasty (TKA) remains conflicting.

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Patella fractures comprise 1% of all fractures. Treatment options vary based on fracture displacement, classification, and patient factors. Traditionally, nonoperative treatment has been reserved for nondisplaced fractures.

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Background: The ideal management of common bile duct (CBD) stones remains controversial, whether with single-stage management using laparoscopic CBD exploration (LCBDE) during laparoscopic cholecystectomy, or with 2-stage management using preoperative or postoperative ERCP. We wished to elucidate the practice patterns within our health system, which includes both large urban referral centers and small rural critical access hospitals.

Study Design: We conducted a retrospective data analysis from our 22-hospital, not-for-profit, integrated healthcare system.

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Objectives: To (1) review pain medications prescribed following pediatric adenotonsillectomy (T&A), (2) identify pain medications reported to be helpful, and (3) compare parent-reported outcomes among various combinations of pain medications.

Study Design: Case series with planned data collection.

Setting: Multihospital network.

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Objectives/hypothesis: 1) Identify the major expenses for outpatient pediatric tympanostomy tube placement in a multihospital network. 2) Compare differences for variations in costs among hospitals and surgeons.

Methods: An observational cohort study in a multihospital network using a standardized activity-based accounting system to determine hospital costs for tympanostomy tube placement from February 2011 to January 2015.

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Objectives: To (1) determine adherence to American Academy of Otolaryngology-Head and Neck Surgery Foundation guidelines for pediatric tonsillectomy recommending routine administration of perioperative dexamethasone and against routine antibiotic administration among surgeons and hospitals in a multihospital network and (2) evaluate the impact of adherence on the risk of complications.

Study Design: Case series with chart review.

Setting: Multihospital network.

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Objective: (1) Review the reasons, timing, and costs for children presenting to the emergency department (ED) after adenotonsillectomy (T&A).

Study Design: Case series with chart review.

Setting: Tertiary care children's hospital.

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Rationale: Respiratory syncytial virus (RSV) is an important cause of hospitalization and death in infants worldwide. Most RSV deaths occur in developing countries, where burden and risk factors for life-threatening illness are unclear.

Objectives: We defined the burden of life-threatening (O(2) saturation [O(2) sat] ≤ 87%) and fatal RSV infection, and characterized risk factors for life-threatening disease in hospitalized children.

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The aim of this study was to compare auditory functions and to analyse the prevalence of hearing impairment and the relationship of self-reported hearing disability with audiometric test results among 75-year-old people in three Nordic localities. The representative samples came from Glostrup, Denmark (n = 571), Göteborg, Sweden (n =450), and Jyväskylä, Finland (n =388). The median pure-tone thresholds were rather similar in all three populations.

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An enzyme-linked immunoassay (EIA) is described and evaluated which quantitates human antibodies to serotype specific S. pneumoniae polysaccharide (PnPs) in human sera. Based on the observations previously described by Koskela (1), native PnPs are used as coating antigens and sera are absorbed with a soluble pneumococcal absorbant material containing C-polysaccharide (CPs) to ensure measurement of serotype specific anti-PnPs antibodies.

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Aim: The long-term results of uvulopalapharyngoplasty (UPPP) reported by patients who had been operated for severe snoring but without clinically significant obstructive sleep apnoea were explored.

Methods: Median three years (one to eight years) after the operation follow-up results were obtained from 80 of 85 patients (94%), using a questionnaire.

Results: In nine patients (11%) the operation had been without any effect.

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Early works leading to the detection of the pneumococcus and eventually to the appreciation that isolates differed in agglutination and that antisera differed in their capacity to protect against pneumococcal infection in the mouse protection test are reviewed. Studies by researchers from Europe, South Africa, and the United States over nearly five decades led to the introduction of serum therapy. Rapid typing methods thus became very important, and type-specific serum therapy generated a dramatic decrease in the number of deaths from pneumococcal pneumonia.

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Previous studies have shown that bismuth subgallate added to gauze swabs in tonsillectomy reduces the time to achieve haemostasis and probably reduces the risk of postoperative haemorrhage. All these studies have used bismuth subgallate in combination with adrenaline. In this randomised clinical study we investigated the effect of bismuth subgallate alone.

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During the period 1989-94, 4620 strains of Streptococcus pneumoniae (4063 from blood and 557 from cerebrospinal fluid), from cases of invasive disease in Denmark, were received for capsular typing and penicillin susceptibility testing. During the study period the incidence of bacteraemic pneumococcal disease increased from 10 to 18 cases per 100000 inhabitants per year. The highest rates were seen in the very young, age less than 5 years (23/100000/year, in 1994), and in the elderly, age greater than 60 years (55/100000/year, in 1994).

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