Abstract Background Renal stones are a common cause of non-obstetrical abdominal pain in pregnant women. Though the management of renal stones in pregnancy is challenging, it remains unclear how the incidence of kidney stones may affect the course of pregnancy and delivery. Objective To determine the incidence of renal stones in pregnancy and its impact on adverse obstetrical outcomes. Data sources We conducted a systematic literature search of three databases: Ovid MEDLINE, Ovid EMBASE, and EBSCO CINAHL Plus. After the selection of articles, an additional hand-search of their citations was completed to maximize sensitivity. Databases were examined from the last four decades (19 March 1970) up to the search date (19 March 2020). Study eligibility criteria Articles were excluded if they were not relevant to kidney stones or did not report outcomes related to pregnancy. Case reports, animal studies, and cadaveric studies were excluded. Conference abstracts, gray literature, and unpublished data were not eligible. Study appraisal and synthesis methods All screening, extraction, and synthesis were completed in duplicate with two independent reviewers. All outcomes reported in the included studies were systematically evaluated to determine suitability for meta-analysis. Random-effects models and sensitivity analyses were used to account for interstudy variation. Renal stone incidence rates were pooled to generate summary proportions. Risk of bias assessment was completed using the Risk of Bias Assessment tool for Non-randomized Studies. Results Twenty-one studies were included through systematic review and approximately 4.7 million pregnancies across nine studies were included for meta-analysis. There are three major findings of this review regarding renal stone incidence in pregnancy and maternal, child, and birth-related outcomes associated with renal stones. First, we found pooled incidence of renal stones was 0.49%, or one case for every 204 pregnancies. Second, renal stones during pregnancy were significantly associated with the development of preeclampsia and urinary tract infection, as well as increased likelihood of low birth weight, preterm labor, and C-section deliveries. However, renal stones were not significantly associated with premature rupture of membranes or infant mortality. Third, there were limited obstetrical complications reported with either medical or surgical therapies although comparative outcomes were not provided in the majority of studies, precluding formal meta-analysis. Conclusions Although renal stones in pregnancy are relatively rare, there may be an associated risk of serious adverse obstetrical outcomes. However, further research is required to understand whether these obstetrical outcomes are causal or due to other confounders. Interdisciplinary care and pregnancy-specific counseling should be advised for pregnant women with kidney stones.
We implemented an acute care urology (ACU) model at a large Canadian community hospital to determine the impacts on safe and timely care of patients with renal colic. The model includes a dedicated ACU surgeon, a clinic for emergency department (ED) referrals, and additional daytime operating room (OR) blocks for urgent cases.We conducted a chart review of 579 patients presenting to the ED with renal colic. Data was collected before (pre-intervention, September to November 2015) and after (post-intervention, September to November 2016) implementation of the ACU model. Secondary methods of evaluation included surveying patients and 20 ED physicians to capture subjective feedback.Of the 579 patients presenting with renal colic,194 were diagnosed with an obstructing kidney stone and were referred to urology for outpatient care. The ED-to-clinic time was significantly lower for those in the ACU model (p<0.001). Furthermore, the ACU clinic resulted in significantly more patients being referred for outpatient care (p=0.0004). There was also higher likelihood that patients would successfully obtain an appointment post-referral (p=0.0242). The number of after-hours and weekend surgeries decreased significantly after dedicated ACU daytime OR blocks were added in September 2015 (p<0.0001). All surveyed patients rated the care as either "excellent" or "very good," and all physicians believed the ACU model has improved patient care.The ACU model has shown benefit in ensuring timely followup for ED patients, reducing use of after-hour OR time, and improving patient and physician satisfaction.
We hypothesize that optimal management of interstitial cystitis/bladder pain syndrome requires more personalized data than obtained with symptom questionnaires and standard urological assessment. We used a qualitative approach to develop a best evidence series of questions to explore the total clinical picture in the patient with interstitial cystitis/bladder pain syndrome.The methodology of this project included preliminary focus groups, individual patient interviews, content development and validity analyses to develop a series of questions of value to patients with interstitial cystitis/bladder pain syndrome. A new convenience sample of patients with this syndrome completed the series of questions exploring not only pain and urination symptoms, but also other biopsychosocial parameters noted to be of relevance to these patients.Content of final series of questions addressed pain, urination symptoms, flares and the 10 most important domains impacted by interstitial cystitis/bladder pain syndrome. Further questions addressed thoughts or feelings, attitudes and suicidal ideation. A series of questions addressed how patients cope with and manage their condition. A total of 32 patients with interstitial cystitis/bladder pain syndrome completed the finalized series of questions. Bladder pain and urination symptoms were primary concerns of patients but other domains related to associated nonurological conditions (poor sleep/persistent fatigue, irritable bowel syndrome-like symptoms, low back and general muscle pain, interference/impact [eg sleep, diet, travel, activities, sexual functioning], positive and negative beliefs/attitudes, and coping mechanisms) make up the total clinical picture for each patient.The biopsychosocial information provided by our patients will better inform the health care professional on how to develop personalized treatment strategies and also individualized patient directed outcomes independent of bladder pain and urination symptoms.
investigation and treatment, as per the modified Oxford Centre for Evidence-Based Medicine grading system.Where the literature was inconsistent or scarce, a consensus expert opinion was generated to provide treatment guidelines.
