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Relating pelvic pain location to surgical findings of endometriosis.

ABSTRACT: OBJECTIVE:To study whether pain location is related to lesion location in women with chronic pelvic pain and biopsy-proven endometriosis. METHODS:A secondary analysis was performed to compare self-reported pain location with recorded laparoscopy findings for location and characteristics of all visible lesions. All lesions were excised. Endometriosis was diagnosed using histopathology criteria. The pelvic area was divided into three anterior and two posterior regions. Lesion depth, number of lesions or endometriomas, and disease burden (defined as sum of lesion sizes, or single compared with multiple lesions) were determined for each region. Data were analyzed using t tests, Fisher exact tests, and logistic regression modeling, with P values corrected for multiple comparisons using the step-down Bonferroni method. RESULTS:Women with endometriosis (n = 96) had lower body mass indexes, were more likely to be white, had more previous surgeries, and had more frequent menstrual pain and incapacitation than did chronic pain patients without endometriosis (n = 37). Overall, few patients had deeply infiltrating lesions (n = 38). Dysuria was associated with superficial bladder peritoneal lesions. Other lesions or endometriomas were not associated with pain in the same anatomic locations. Lesion depth, disease burden, and number of lesions or endometriomas were not associated with pain. CONCLUSION:In this group of women with biopsy-proven endometriosis, few had deeply infiltrating lesions or endometriomas. Dysuria and midline anterior pain were the only symptoms associated with the location of superficial endometriosis lesions. The lack of relationship between pain and superficial lesion location raises questions about how these lesions relate to pain. CLINICAL TRIAL REGISTRATION:ClinicalTrials.gov, www.clinicaltrials.gov, NCT00001848. LEVEL OF EVIDENCE:: II.

SUBMITTER: Hsu AL

PROVIDER: S-EPMC3155822 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature

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Relating pelvic pain location to surgical findings of endometriosis.

Hsu Albert L AL Sinaii Ninet N Segars James J Nieman Lynnette K LK Stratton Pamela P

Obstetrics and gynecology 20110801 2 Pt 1

<h4>Objective</h4>To study whether pain location is related to lesion location in women with chronic pelvic pain and biopsy-proven endometriosis.<h4>Methods</h4>A secondary analysis was performed to compare self-reported pain location with recorded laparoscopy findings for location and characteristics of all visible lesions. All lesions were excised. Endometriosis was diagnosed using histopathology criteria. The pelvic area was divided into three anterior and two posterior regions. Lesion depth, ...[more]

PMID: 21775836

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Project description:OBJECTIVE:To evaluate sensitization, myofascial trigger points, and quality of life in women with chronic pelvic pain with and without endometriosis. METHODS:A cross-sectional prospective study of women aged 18-50 years with pain suggestive of endometriosis and healthy, pain-free volunteers without a history of endometriosis. Patients underwent a physiatric neuromusculoskeletal assessment of clinical signs of sensitization and myofascial trigger points in the abdominopelvic region. Pain symptoms, psychosocial, and quality-of-life measures were also assessed. All participants with pain underwent laparoscopic excision of suspicious lesions to confirm endometriosis diagnosis by histologic evaluation. RESULTS:Patients included 18 with current, biopsy-proven endometriosis, 11 with pain only, and 20 healthy volunteers. The prevalence of sensitization as measured by regional allodynia and hyperalgesia was similar in both pain groups (83 and 82%) but much lower among healthy volunteers (15%, P<.001). Nearly all women with pain had myofascial trigger points (94 and 91%). Adjusting for study group, those with high anxiety (odds ratio [OR] 1.05, 95% confidence interval [CI] 1.004-1.099, P=.031) and depression (OR 1.06, 95% CI 1.005-1.113, P=.032) scores were more likely to have sensitization. Pain patients with any history of endometriosis had the highest proportion of sensitization compared with the others (87% compared with 67% compared with 15%; P<.001). Adjusting for any history of endometriosis, those with myofascial trigger points were most likely sensitized (OR 9.41, 95% CI 1.77-50.08, P=.009). CONCLUSION:Sensitization and myofascial trigger points were common in women with pain regardless of whether they had endometriosis at surgery. Those with any history of endometriosis were most likely to have sensitization. Traditional methods of classifying endometriosis-associated pain based on disease, duration, and anatomy are inadequate and should be replaced by a mechanism-based evaluation, as our study illustrates. CLINICAL TRIAL REGISTRATION:ClinicalTrials.gov, www.clinicaltrials.gov, NCT00073801. LEVEL OF EVIDENCE:II.

Project description:ObjectivePelvic floor pain, abdominal wall pain, and central nervous system pain amplification can be contributing factors in chronic pelvic pain (CPP), however; limited research has investigated the association of pelvic floor, abdominal, and uterine tenderness with central nervous system pain amplification. We assessed whether pressure pain thresholds on the non-dominant thumbnail, a marker of central nervous system pain amplification, were associated with pelvic floor, abdominal, and uterine tenderness among women with endometriosis or CPP.Study designWe conducted a cross-sectional study among 88 females with endometriosis and/or CPP. Abdominal (6 locations), pelvic floor (6 locations) and uterine (1 location) tenderness were assessed via a standardized physical exam. Participants reported their pain levels (0-10 scale) with application of 2 kg of pressure at each area, with a pain rating of ≥4 on the 0-10 scale considered moderate to severe pain. Pain sensitivity was measured on the non-dominant thumbnail by applying discrete pressure stimuli using a previously validated protocol.ResultsOverall, 50% (44/88), 42% (37/88), and 58% (51/88) of participants reported high pelvic floor, abdominal, and uterine tenderness, respectively. Pressure intensities needed to elicit 'faint' and 'mild' pain were lower for participants with high vs. low pelvic floor tenderness (median intensity for 'faint' pain = 0.50 kgf/cm2(min-max:0.25-3.25) vs. 1.06(0.25-3.00), p-value = 0.006; median intensity for 'mild' pain = 2.00(0.63-4.88) vs. 2.63(0.75-6.00), p-value = 0.03). No association was observed between pressure pain sensitivity and abdominal or uterine tenderness (p > 0.11). Participants with endometriosis without pain were less likely to have high pelvic floor (22.2%), abdominal (11.1%), and uterine (25.9%) tenderness compared to participants with endometriosis with pain (63.0%, 50%, 65.2%, respectively) and participants with chronic pelvic pain (60%, 73.3%, 93.3%, respectively).ConclusionsThese results suggest that high pelvic floor tenderness among women with endometriosis/CPP may be a marker of heightened pain sensitivity suggestive of central nervous system pain amplification and may impact treatment response. Future research should examine whether this clinical phenotype predicts response to medical and behavioral treatments (e.g, anti-convulsants, behavioral therapy, Physical Therapy).

Project description:BackgroundThe use of cannabis for symptoms of endometriosis was investigated utilising retrospective archival data from Strainprint Technologies Ltd., a Canadian data technology company with a mobile phone application that tracks a range of data including dose, mode of administration, chemovar and their effects on various self-reported outcomes, including pelvic pain.MethodsA retrospective, electronic record-based cohort study of StrainprintTM users with self-reported endometriosis was conducted. Self-rated cannabis efficacy, defined as a function of initial and final symptom ratings, was investigated across the included symptom clusters of cramps, pelvic pain, gastrointestinal pain, nausea, depression, and low libido. Cannabis dosage form, dose and cannabinoid ratio information was also recorded.ResultsA total number of 252 participants identifying as suffering endometriosis recorded 16193 sessions using cannabis between April 2017 and February 2020. The most common method of ingestion was inhalation (n = 10914, 67.4%), with pain as the most common reported symptom being treated by cannabis (n = 9281, 57.3%). Gastrointestinal symptoms, though a less common reason for cannabis usage (15.2%), had the greatest self-reported improvement after use. Inhaled forms had higher efficacy for pain, while oral forms were superior for mood and gastrointestinal symptoms. Dosage varied across ingestion methods, with a median dose of 9 inhalations (IQR 5 to 11) for inhaled dosage forms and 1 mg/mL (IQR 0.5 to 2) for other ingested dosage forms. The ratio of THC to CBD had a statistically significant, yet clinically small, differential effect on efficacy, depending on method of ingestion.ConclusionsCannabis appears to be effective for pelvic pain, gastrointestinal issues and mood, with effectiveness differing based on method of ingestion. The greater propensity for use of an inhaled dosage delivery may be due to the rapid onset of pain-relieving effects versus the slower onset of oral products. Oral forms appeared to be superior compared to inhaled forms in the less commonly reported mood or gastrointestinal categories. Clinical trials investigating the tolerability and effectiveness of cannabis for endometriosis pain and associated symptoms are urgently required.

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Relating pelvic pain location to surgical findings of endometriosis.

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Relating pelvic pain location to surgical findings of endometriosis.

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