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- Krag Jakobsen, Ane, et al.
(författare)
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Is Nephrolithiasis an Unrecognized Extra-Articular Manifestation in Ankylosing Spondylitis? A Prospective Population-Based Swedish National Cohort Study with Matched General Population Comparator Subjects
- 2014
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Ingår i: Plos One. - : Public Library of Science (PLoS). - 1932-6203. ; 9:11
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Tidskriftsartikel (refereegranskat)abstract
- Background: Ankylosing spondylitis (AS) is associated with several extra-articular manifestations. Nephrolithiasis (NL) has not been recognized as one of those, however, several factors known to increase the risk of NL are at play in AS patients. The objective was to estimate rates and predictors of NL in Swedish patients with AS compared to the general population. Methods and Findings: We performed a prospective population-based nationwide cohort study based on linkage of data from Swedish registries. 8,572 AS patients were followed for 49,258 person-years (py) and 39,639 matched general population comparators were followed for 223,985 py. Patients were followed prospectively together with comparator subjects from January 2001 through December 2009. The first occurrence of NL during follow-up was the primary outcome. Hazard Ratios (HR) were used to compare these rates adjusting for comorbidities and treatment, and to assess predictors for NL. Mean age at study entry was 46 years (inter quartile range 36-56 years), 65% were males. Based on 250 vs. 466 NL events, the adjusted HR of NL in AS patients was 2.1 (95% CI 1.8 to 2.4). Predictors of NL within the AS group included prior diagnosis of inflammatory bowel disease (IBD) (HR 2.3; 95% CI 1.7 to 3.3), prior diagnosis of NL (HR 16.4; 95% CI 11.5 to 23.4), and patients receiving anti-TNF treatment (HR 1.6; 95% CI 1.2 to 2.1). Male sex was a risk factor for NL both in AS patients and in the general population. Limitations: The risk for residual confounding and inability to study the chemical nature of NL were considered the main limitations of the study. Conclusions: Patients with AS are at increased risk of NL, which may be considered a novel extra-articular manifestation. Previous history of NL, IBD, AS disease severity and male sex were identified as predictors of NL in AS.
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- Krag Jakobsen, Ane, et al.
(författare)
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Surgical interventions for nephrolithiasis in ankylosing spondylitis and the general population
- 2015
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Ingår i: Scandinavian Journal of Urology. - : Medical Journals Sweden AB. - 2168-1805 .- 2168-1813. ; 49:6, s. 486-491
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Tidskriftsartikel (refereegranskat)abstract
- Objective. The aim of this study was to estimate rates and type of definitive surgical interventions for nephrolithiasis in Swedish patients with ankylosing spondylitis (AS) compared to the general population. Materials and methods. This national prospective cohort study linked data from Swedish population and healthcare registries. Incidence rates and interventions for nephrolithiasis during follow-up in patients with AS were compared to general population comparator (GPC) subjects. Results. In total, 8572 AS patients were followed for 49,959 person-years and 39,639 matched GPCs were followed for 225,221 person-years. Mean age at study entry was 46 years [interquartile range (IQR) 36-56 years] and 65% were male. In AS patients with a diagnosis of nephrolithiasis during the study period, 29% (72/250) underwent similar intervention for nephrolithiasis compared to 24% (114/466) GPCs (p = 0.21). The incidence rate ratio (RR) in overall AS patients was 2.9 [95% confidence interval (CI) 2.1-3.8] during a median follow-up of 6.2 years (IQR 3.2-8.6 years). With prior diagnosis of nephrolithiasis, the RR for AS patients compared to GPCs was 3.7 (95% CI 1.8-7.7); without prior nephrolithiasis the RR was 2.1 (95% CI 1.5-3.0). Increasing age [odds ratio (OR) 1.02, 95% CI 1.01-1.03], prior nephrolithiasis diagnosis (OR 3.3, 95% CI 1.97-5.62) and atherosclerotic cardiac disease (OR 2.0, 95% CI 1.03-3.91) were identified as predictors of intervention for nephrolithiasis. Conclusions. Patients with AS have an almost three-fold increased risk of surgical intervention for kidney stones, with similar management, compared to the general population.
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- Ljungquist, Oskar, et al.
(författare)
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Increasing rates of urinary- and bloodstream infections following transrectal prostate biopsy in South Sweden
- 2022
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Ingår i: BJU International. - : Wiley. - 1464-4096 .- 1464-410X. ; 130:4, s. 478-485
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Tidskriftsartikel (refereegranskat)abstract
- ObjectiveTo report trends and characteristics of post-biopsy infections, with regard to etiology and resistance patterns, in a large unique cohort from a single-centre using the same antibiotic prophylactic regimens during a 15-year period.MethodsThis is an observational cross sectional cohort study, including all patients who underwent transrectal prostate biopsy (TR PBx) guided by ultrasound for the suspicion of prostate cancer at the Department of Urology, Skåne University Hospital between 1st May 2003 and 31st December 2017. Positive blood and urinary cultures were considered markers of bloodstream infection (BSI) and urinary tract infection (UTI), respectively. For all patients, details regarding blood or urine cultures from the date of the prostate biopsy and 14 days onwards were retrieved.ResultsIn total, 8,973 transrectal biopsy procedures were performed in 6,597 men during the study period. Over time, there was a trend towards a changing case-mix, with biopsy procedures increasingly being performed in older patients, patients with lower PSA values and higher prostate volume. During the study period, the number of biopsy procedures performed increased for each time period and we found an increasing rate of infectious complications in the last period. Overall, the rates of BSI and UTI with at least one relevant pathogen were 1 % (88/8,973) and 1.8% (159/8,973), respectively. In total, 16 of 90 strains (18%) were ESBL-producing, with an increasing proportion over time. The proportion of ciprofloxacin-resistant pathogens did not increase over time.ConclusionDuring the 15 years of this study, BSI and UTI after TR PBx increased. The rise of infectious complications post TR PBx in this population is unlikely to be explained by quinolone-resistance, as ciprofloxacin-resistance did not increase in the blood and urinary samples obtained during the study period. Future longitudinal studies are warranted to investigate why infectious complications after TR PBx are increasing.
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- Ternov, Klara Kvorning, et al.
(författare)
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Salvage cryotherapy for local recurrence after radiotherapy for prostate cancer
- 2015
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Ingår i: Scandinavian Journal of Urology. - : Medical Journals Sweden AB. - 2168-1813 .- 2168-1805. ; 49:2, s. 115-119
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Tidskriftsartikel (refereegranskat)abstract
- Objective. The aim of this study was to present the outcome of patients treated with salvage cryotherapy after radiotherapy for prostate cancer at one institution. Materials and methods. Consecutive patients treated between 2007 and 2013 with transperineal cryotherapy for biopsy-verified local recurrence after radiotherapy were investigated. An external reviewer retrieved outcome data retrospectively from medical records. Complications were graded according to the Clavien classification. One patient with less than 1 year of follow-up was excluded from the analysis of side-effects. Results. Thirty patients were included, 29 of whom had a follow-up of at least 1 year. The median follow-up was 2.7 years (range 1-6.5 years). Eleven of the 23 patients without hormonal treatment at the time of cryotherapy reached a prostate-specific antigen (PSA) nadir of less than 0.5 ng/ml. At the end of follow-up five of these 23 patients still had a PSA below 0.5 ng/ml and 10 were free from recurrence according to the Phoenix definition. Clinical recurrence (verified with imaging or biopsies) was detected in 13 patients, six of which were local. One patient died from prostate cancer. Eleven patients had urinary incontinence grade 1-2 and three had grade 3-4, seven had pelvic pain, three had severe but transitory tissue sloughing, three developed a urethral stricture or had prolonged urinary retention, and one developed a urinary fistula 4.5 years after cryotherapy. Conclusions. Salvage cryotherapy should be considered as an alternative to hormonal treatment and surgery for local recurrence after radiotherapy for prostate cancer. The results compare well to those reported from centres with longer experience.
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