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1.
Nurs Older People ; 33(5): 33-41, 2021 Oct 05.
Article in English | MEDLINE | ID: mdl-34494411

ABSTRACT

Lower urinary tract symptoms (LUTS) are prevalent in older women. These symptoms are often under-reported due to the potentially embarrassing nature of the symptoms and a belief that they are an inevitable consequence of ageing. LUTS such as urinary incontinence have a significant negative effect on people's quality of life; however, with the appropriate assessment and management, improvements can be achieved. This article reviews the different types of LUTS and their causes, assessment and treatment, focusing on older women. It aims to provide nurses with an understanding of LUTS so that they can identify appropriate interventions.


Subject(s)
Lower Urinary Tract Symptoms/nursing , Nursing Assessment , Aged , Female , Geriatric Assessment , Geriatric Nursing , Humans , Lower Urinary Tract Symptoms/classification , Lower Urinary Tract Symptoms/etiology
2.
J Urol ; 201(6): 1177-1183, 2019 06.
Article in English | MEDLINE | ID: mdl-30730410

ABSTRACT

PURPOSE: To improve the potential for finding clinically important subtypes of patients with lower urinary tract symptoms we developed the CASUS (Comprehensive Assessment of Self-reported Urinary Symptoms). We used it to present data on the experiences of lower urinary tract symptoms in treatment seeking women and men from a prospective observational cohort. MATERIALS AND METHODS: We created an initial list of lower urinary tract symptoms that were confirmed in 22 qualitative interviews with providers, and 88 qualitative interviews with care seeking and noncare seeking women and men with lower urinary tract symptoms. Items from extant measures were adopted and revised, and new items were developed. All items were evaluated for understanding in 64 cognitive interviews. Items were administered to a prospective cohort of female and male patients with lower urinary tract symptoms who were seeking care. Analyses were done to describe item response distributions and correlations among item responses separately for women and men. RESULTS: A total of 444 males and 372 females provided responses to the CASUS. Several sets of items showed different relationships for women compared to men. In particular the associations between sensation related items and incontinence related items were generally positive among females but often negative among males. CONCLUSIONS: After using an intensive development process the CASUS addresses a wide range of lower urinary tract symptoms. It should help identify clinically important subtypes of patients. Further, item collection can provide the foundation for shorter measures for use in the clinic and as trial end points.


Subject(s)
Diagnostic Self Evaluation , Lower Urinary Tract Symptoms/diagnosis , Symptom Assessment , Adult , Female , Humans , Lower Urinary Tract Symptoms/classification , Male , Middle Aged , Prospective Studies
3.
Cardiovasc Intervent Radiol ; 41(11): 1664-1673, 2018 Nov.
Article in English | MEDLINE | ID: mdl-30128781

ABSTRACT

The development of prostatic artery embolization has led to better understand the complex male pelvic arterial anatomy. To the best of our knowledge, there is still no precise description of the distribution of the branches of the prostatic artery (PA) after its origin. In this study, the patterns of prostatic feeders near to and into the prostate were analyzed, and a classification was proposed. MATERIALS AND METHODS: This study is based on angiograms of 101 consecutive male patients, mean age 70, who underwent PAE between December 2013 and June 2016, to treat symptomatic benign prostatic hyperplasia. RESULTS: The proposed classification is derived from the analysis of 143 solitary PAs from 199 hemipelves (72%). Pattern A was defined as an artery feeding only the prostate, patterns B and C as a PA with a concomitant large supply to the penis (pattern B) or to the rectum (pattern C). A pattern A was found in 89/143 (62%), a pattern B in 16/143 (12%) and pattern C in 38/143 (26%). Protection of a penile/rectal supply was never required in pattern A, while it was performed in 14/16 (87%) of pattern B, and in 7/38 (18%) of pattern C PAs. The PErFecTED technique could be performed in 51%, 50 and 55% of cases in pattern A to C. CONCLUSION: This study proposes a new classification of intra-/extra-prostatic arterial distribution of the PA that could be helpful to prevent complications of PAE. Further prospective angiographic investigations are necessary to confirm its clinical value.


Subject(s)
Angiography, Digital Subtraction , Embolization, Therapeutic/methods , Lower Urinary Tract Symptoms/therapy , Prostate/blood supply , Prostatic Hyperplasia/therapy , Aged , Arteries/diagnostic imaging , Humans , Lower Urinary Tract Symptoms/classification , Lower Urinary Tract Symptoms/diagnostic imaging , Male , Middle Aged , Penis/blood supply , Prostatic Hyperplasia/classification , Prostatic Hyperplasia/diagnostic imaging , Radiology, Interventional , Rectum/blood supply , Retrospective Studies
4.
Urology ; 115: 139-143, 2018 May.
Article in English | MEDLINE | ID: mdl-29410322

ABSTRACT

OBJECTIVE: To correlate patients' perception of changes in their lower urinary tract symptoms with changes in their American Urological Association Symptom Index (AUA-SI) scores with the goal of improving the ability of patients and clinicians to assess the clinical meaningfulness of changes in the AUA-SI score. MATERIALS AND METHODS: Men were asked to complete an AUA-SI survey and answer a symmetrical response framework question to evaluate their global perception of change in lower urinary tract symptoms at each interval, namely, "Are your urinary symptoms much better, slightly better, the same, slightly worse, or much worse compared to your prior visit?" Median changes and interquartile ranges (IQRs) in the AUA-SI scores were compared with the global evaluation response for the entire cohort. Additionally, outcomes were stratified by baseline AUA-SI severity classification (mild, moderate, or severe). RESULTS: The median changes and IQRs in AUA-SI scores of patients rating themselves as much better, slightly better, the same, slightly worse, and much worse compared with their symptoms at the time of their last AUA-SI were -2 (IQR -6 to 0), -1 (IQR -5 to 1), 0 (IQR -2 to 2), 5 (IQR 0-9), and 11 (IQR 5-18), respectively. There was a significant difference in AUA-SI score change between each rating category (P <.001). CONCLUSION: These results demonstrate that the patients require only a small decrease in their AUA-SI scores to report they are slightly better or much better, whereas a larger increase in their AUA-SI scores is required for patients to report their symptoms are slightly worse or much worse.


Subject(s)
Lower Urinary Tract Symptoms/classification , Prostatic Neoplasms/radiotherapy , Severity of Illness Index , Symptom Assessment/methods , Aged , Brachytherapy/adverse effects , Diagnostic Self Evaluation , Humans , Lower Urinary Tract Symptoms/etiology , Male , Self Report
6.
Eur Urol Focus ; 3(2-3): 189-197, 2017 04.
Article in English | MEDLINE | ID: mdl-28965959

ABSTRACT

CONTEXT: Epidemiological studies have demonstrated rates of lower urinary tract (LUT) symptoms in school-aged children as high as 20%. Symptoms of LUT may have significant social consequences. The diagnosis of LUT symptoms in children is mainly based on the subjective impression, and it is therefore important to translate the clinical impression into a structured LUT terminology. OBJECTIVE: To have a view, as a pediatric urologist and a urologist, of the LUT terminology proposed by the Standardization Committee of the International Children Continence Society. EVIDENCE ACQUISITION: In addition to the known LUT terminology conditions that are mainly functional, we propose to add specific urological malformations due to congenital or acquired urological conditions, leading to LUT symptoms. EVIDENCE SYNTHESIS: In addition to the opinion-based statements and practical clinical suggestions, we have added recent literature to support the statements and suggestions. CONCLUSIONS: LUT symptoms in children can be from a functional or an anatomical origin. As the diagnosis is often made on the basis of subjective and variable information, experience of the medical caretaker is also important to allow categorization of the condition of the child into a well-structured LUT terminology. Medical caretakers should be aware of possible evidence-based diagnostic tools and be able to follow guidelines and algorithms to come to the correct diagnosis and condition of the child to allow one to distinguish functional from congenital or acquired anatomical LUT conditions. PATIENT SUMMARY: Up to 20% of school-aged children can have wetting problems. Some wetting problems can be temporary, due to the young age, stress, psychological problems, or other associated problems such as bowel dysfunction. However, some wetting problems in children are due to a condition of the kidneys, bladder, or elsewhere in the urinary tract since they were born, and should be well investigated, as in most such situations the LUT problems could be treated surgically.


Subject(s)
Lower Urinary Tract Symptoms/diagnosis , Lower Urinary Tract Symptoms/etiology , Pediatrics , Terminology as Topic , Urination Disorders/complications , Urology , Humans , Lower Urinary Tract Symptoms/classification , Medical History Taking , Medical Records , Surveys and Questionnaires , Urinary Bladder Neck Obstruction/complications , Urinary Bladder, Overactive/complications
8.
NeuroRehabilitation ; 41(2): 429-435, 2017.
Article in English | MEDLINE | ID: mdl-28946578

ABSTRACT

BACKGROUND: Lower urinary tract dysfunction (LUTD) is one of the most frequently encountered problems in stroke.OBJECTIVE:To assess the validity and reliability of the Turkish Danish Prostatic Symptom Score (DAN-PSS) in stroke patients with LUTD. METHODS: A total of 50 patients were included in the study. The reliability was assessed using Cronbach α and intraclass correlation coefficient (ICC) methods, and the validity using the correlations between the subgroup and overall scores of DAN-PSS and the scores of the Barthel Index (BI), International Consultation on Incontinence Questionnaire Short Form (ICIQ-SF), and Short Form 36 (SF-36). RESULTS: The Cronbach α values were found >0.97 and ICC 0.953-0.990 for all subgroup scores. We found a significant negative correlation between all the sub-scores of DAN-PSS and the BI, and a significant positive correlation between all the sub-scores of DAN-PSS and ICIQ-SF (p < 0.05). The symptom score of DAN-PSS had a significant negative correlation with the physical functioning, physical and emotional role subdomains of the SF-36 survey (p < 0.05). CONCLUSIONS: We have shown the reliability and validity of the Turkish DAN-PSS, and we think that it will be useful to utilize it in the monitoring of patients with stroke and in clinical studies.


Subject(s)
Lower Urinary Tract Symptoms , Severity of Illness Index , Stroke , Surveys and Questionnaires/standards , Humans , Lower Urinary Tract Symptoms/classification , Lower Urinary Tract Symptoms/complications , Lower Urinary Tract Symptoms/diagnosis , Reproducibility of Results , Stroke/complications , Stroke/physiopathology
9.
Eur Urol Focus ; 3(4-5): 498-501, 2017 10.
Article in English | MEDLINE | ID: mdl-28753884

ABSTRACT

CONTEXT: A classification system for lower urinary tract system (LUTS) dysfunction, based on urodynamics, could support the evaluation and management of this pathological condition. OBJECTIVE: A new alphanumerical classification system is proposed for staging neurogenic and non-neurogenic LUTS dysfunction, according to the urodynamic evaluation. EVIDENCE ACQUISITION: This is a proposal based on experience from everyday clinical practice and represents an opinion open to discussion. EVIDENCE SYNTHESIS: The purpose of this alphanumerical classification is the establishment of a simple, unified staging system describing all LUTS dysfunction situations, after a urodynamic evaluation, in a way that can help in diagnosis, treatment, health professionals' communication, education, and research. CONCLUSIONS: This alphanumerical classification for LUTS dysfunction could become a unified standard and a prerequisite for ensuring the quality of care in all resource settings. Moreover, it would be useful for the future to include a classification as part of LUTS dysfunction registration. PATIENT SUMMARY: A new alphanumerical classification system is presented. The purpose of this classification is the establishment of a simple, unified staging system describing entire lower urinary tract system dysfunction situations in a way that could help in diagnosis, treatment, health professionals' communication, education, and research.


Subject(s)
Lower Urinary Tract Symptoms/classification , Lower Urinary Tract Symptoms/physiopathology , Urinary Tract/physiopathology , Urodynamics/physiology , Humans , Lower Urinary Tract Symptoms/diagnosis , Lower Urinary Tract Symptoms/therapy , Quality of Health Care/standards , Urinary Bladder/physiopathology , Urinary Bladder Neck Obstruction/diagnosis , Urinary Bladder Neck Obstruction/therapy , Urinary Bladder, Neurogenic/physiopathology , Urinary Incontinence/physiopathology
11.
SEMERGEN, Soc. Esp. Med. Rural Gen. (Ed. Impr.) ; 42(3): 164-171, abr. 2016. tab, ilus, graf
Article in Spanish | IBECS | ID: ibc-151539

ABSTRACT

La relación entre los síntomas del tracto urinario inferior (STUI) y la disfunción eréctil (DE) es el resultado de su mayor asociación en edades avanzadas. Sin embargo, varias investigaciones demuestran que los síntomas urinarios se relacionan de forma independiente con la DE. Asimismo, la gravedad de los STUI se correlaciona con la magnitud de la disfunción sexual, lo cual evidencia una posible relación causal. El enfoque terapéutico combinado de estas 2 entidades (DE y STUI) provoca un beneficio sobre el paciente tanto en la sintomatología urinaria como en la esfera sexual. Esta revisión se centra en la relación entre la DE, los STUI por hiperplasia prostática benigna y las terapias relacionadas (AU)


The relationship between lower urinary tract symptoms (LUTS) and erectile dysfunction (ED) is the result of their greater association in advanced age. Nevertheless, several investigations show that urinary tract symptoms have an independent relationship with sexual dysfunction and lower satisfaction. Likewise, the severity of LUTS correlates with the magnitude of sexual dysfunction, which suggests a possible causal relationship. The combined therapeutic approach of these 2 entities (ED and LUTS) brings a benefit to the patient both in urinary symptoms and sexual sphere. This review focuses on the relationship between ED, LUTS due to benign prostatic hyperplasia, and related therapies (AU)


Subject(s)
Humans , Male , Urinary Tract/physiopathology , Urination Disorders/epidemiology , Urologic Diseases/complications , Urologic Diseases/epidemiology , Erectile Dysfunction/complications , Erectile Dysfunction/epidemiology , Lower Urinary Tract Symptoms/complications , Lower Urinary Tract Symptoms/epidemiology , Lower Urinary Tract Symptoms/classification , Erectile Dysfunction/physiopathology , Lower Urinary Tract Symptoms/etiology , Lower Urinary Tract Symptoms/physiopathology , Lower Urinary Tract Symptoms/therapy
12.
Rev. Hosp. Clin. Univ. Chile ; 27(3): 226-239, 2016. tab, ilus
Article in Spanish | LILACS | ID: biblio-908190

ABSTRACT

Lower urinary tract symptoms are divided into three groups, storage, voiding and post micturition symptoms. Their level of agreement with urodynamic investigation is poor. Clinicalhistory should be complemented by the application of validated symptom questionnaires and the recording of urinary events. Here we refer to: a) the International Consultation onIncontinence Questionnaire, Short Form (ICIQ-SF), b) the Urogenital Distress Inventory - Short Form (UDI-6) and Incontinence Impact Questionnaire – Short Form (IIQ-7), c) the urinary incontinence Severity Index and d) the American Urological Association Symptom Index. The recordings of urinary events can be done in three main forms: a) micturition time chart, b)frequency volume chart, and c) bladder diary. The International Consultation on Incontinence Questionnaire bladder diary (ICIQ bladder diary) is the only one validated. Physical exam should include abdominal and genital examination, covering pelvic organ prolapse quantification in women, prostate evaluation in men, pelvic floor muscle function evaluation in both genders, and a neurologic examination focused on evaluation of the sacral nerves. It is useful to supplementthe physical examination with the evaluation of the mobility of the bladder neck and proximal urethra through the Q-tip test, and with the quantification of urine leakage through the pad test.


Subject(s)
Male , Female , Humans , Lower Urinary Tract Symptoms/classification , Lower Urinary Tract Symptoms/physiopathology , Lower Urinary Tract Symptoms/prevention & control , Lower Urinary Tract Symptoms/urine
13.
J Urol ; 194(6): 1634-41, 2015 Dec.
Article in English | MEDLINE | ID: mdl-26192257

ABSTRACT

PURPOSE: We describe bladder associated symptoms in patients with urological chronic pelvic pain syndromes. We correlated these symptoms with urological, nonurological, psychosocial and quality of life measures. MATERIALS AND METHODS: Study participants included 233 women and 191 men with interstitial cystitis/bladder pain syndrome or chronic prostatitis/chronic pelvic pain syndrome in a multicenter study. They completed a battery of measures, including items asking whether pain worsened with bladder filling (painful filling) or whether the urge to urinate was due to pain, pressure or discomfort (painful urgency). Participants were categorized into 3 groups, including group 1-painful filling and painful urgency (both), 2-painful filling or painful urgency (either) and 3-no painful filling or painful urgency (neither). RESULTS: Of the men 75% and of the women 88% were categorized as both or either. These bladder characteristics were associated with more severe urological symptoms (increased pain, frequency and urgency), a higher somatic symptom burden, depression and worse quality of life (3-group trend test each p<0.01). A gradient effect was observed across the groups (both>either>neither). Compared to those in the neither group men categorized as both or either reported more frequent urological chronic pelvic pain syndrome symptom flares, catastrophizing and irritable bowel syndrome, and women categorized as both or either were more likely to have a negative affect and chronic fatigue syndrome. CONCLUSIONS: Men and women with bladder symptoms characterized as painful filling or painful urgency had more severe urological symptoms, more generalized symptoms and worse quality of life than participants who reported neither characteristic, suggesting that these symptom characteristics might represent important subsets of patients with urological chronic pelvic pain syndromes.


Subject(s)
Cystitis, Interstitial/diagnosis , Lower Urinary Tract Symptoms/diagnosis , Pelvic Pain/diagnosis , Prostatism/diagnosis , Prostatitis/diagnosis , Adult , Catastrophization/diagnosis , Catastrophization/psychology , Chronic Disease , Comorbidity , Cystitis, Interstitial/classification , Cystitis, Interstitial/psychology , Depression/diagnosis , Depression/psychology , Diagnosis, Differential , Fatigue Syndrome, Chronic/diagnosis , Fatigue Syndrome, Chronic/psychology , Female , Humans , Irritable Bowel Syndrome/diagnosis , Irritable Bowel Syndrome/psychology , Lower Urinary Tract Symptoms/classification , Lower Urinary Tract Symptoms/psychology , Male , Middle Aged , Pelvic Pain/classification , Pelvic Pain/psychology , Prostatism/classification , Prostatism/psychology , Prostatitis/classification , Prostatitis/psychology , Surveys and Questionnaires , Syndrome
16.
Int J Urol ; 21 Suppl 1: 43-7, 2014 Apr.
Article in English | MEDLINE | ID: mdl-24807494

ABSTRACT

Taxonomy or nomenclature concerning interstitial cystitis and its related symptom syndromes is in a state of confusion. After analyzing the reasons for confusion in regard to three components (disease name, symptoms, Hunner's lesion), I would like to propose a new term, "hypersensitive bladder", taking after overactive bladder, as a solution. Hypersensitive bladder symptoms are defined as "increased bladder sensation, usually associated with urinary frequency and nocturia, with or without bladder pain." The proposal of hypersensitive bladder is based on: (i) it does not appear a symptom syndrome, but a disease by ending with an organ name, "bladder"; (ii) it does not contain confusable symptom terms (pain and urgency), but indicates irritative symptoms including pain and urgency; and (iii) it suggests pathophysiological hyperactivity of sensory nerves. Interstitial cystitis is defined by three requirements: (i) hypersensitive bladder symptoms; (ii) bladder pathology; and (iii) no other diseases, where bladder pathology should be clearly stated either as Hunner's lesion or glomerulations after hydrodistention. Hypersensitive bladder can be used for the condition with hypersensitive bladder symptoms, but no obvious disease explaining hypersensitive bladder symptoms identified. Interstitial cystitis is a representative disease causing hypersensitive bladder symptoms, most typically with pain, but might be painless and indistinguishable from overactive bladder. Introducing hypersensitive bladder as a counter concept of overactive bladder into bladder dysfunction taxonomy will facilitate clinical practice and research progress, and attract considerable attention from the medical world.


Subject(s)
Cystitis, Interstitial , Diagnostic Errors/prevention & control , Lower Urinary Tract Symptoms , Urinary Bladder, Overactive , Urinary Bladder , Cystitis, Interstitial/complications , Cystitis, Interstitial/diagnosis , Cystitis, Interstitial/physiopathology , Cystoscopy , Diagnosis, Differential , Humans , Lower Urinary Tract Symptoms/classification , Lower Urinary Tract Symptoms/diagnosis , Lower Urinary Tract Symptoms/etiology , Pelvic Pain/etiology , Pelvic Pain/physiopathology , Terminology as Topic , Ulcer/diagnosis , Ulcer/etiology , Urinary Bladder/pathology , Urinary Bladder/physiopathology , Urinary Bladder, Overactive/complications , Urinary Bladder, Overactive/diagnosis , Urinary Bladder, Overactive/physiopathology
17.
Int J Urol ; 21 Suppl 1: 79-82, 2014 Apr.
Article in English | MEDLINE | ID: mdl-24807507

ABSTRACT

The contents and understanding of the term, interstitial cystitis, have undergone major changes during the past 100 years, moving from a chronic, true inflammatory bladder disorder to an extensive syndrome with lower urinary tract pain. Comments on this development are presented. From examples in the literature, some important features of classic interstitial cystitis are outlined. The more inclusive attitude of later decades has drawn desirable attention to the entire spectrum of disorders resulting in bladder pain. The wish to include all of them into one handy entity has unfortunately resulted in much scientific and clinical confusion, though. It is noted that originally interstitial cystitis represented the Hunner type of disease. Today, there is agreement that the classic type of interstitial cystitis with Hunner's lesions, bladder pain syndrome type 3C according to current terminology, stands out as a well-defined phenotype; it has to evaluated separately in clinical studies and practice, as treatment requirements differ importantly between this and other phenotypes.


Subject(s)
Cystitis, Interstitial , Lower Urinary Tract Symptoms , Pelvic Pain/etiology , Ulcer/etiology , Urinary Bladder , Biomarkers/metabolism , Cystitis, Interstitial/complications , Cystitis, Interstitial/diagnosis , Cystitis, Interstitial/metabolism , Cystitis, Interstitial/physiopathology , Cystoscopy/methods , Diagnosis, Differential , Humans , Lower Urinary Tract Symptoms/classification , Lower Urinary Tract Symptoms/diagnosis , Lower Urinary Tract Symptoms/etiology , Pelvic Pain/physiopathology , Terminology as Topic , Ulcer/diagnosis , Urinary Bladder/pathology , Urinary Bladder/physiopathology
18.
Curr Opin Urol ; 24(1): 3-9, 2014 Jan.
Article in English | MEDLINE | ID: mdl-24280652

ABSTRACT

PURPOSE OF REVIEW: Male patients with lower urinary tract symptoms have historically been managed in a prostate centric fashion. Population studies highlighting the prevalence and significance of storage symptoms, including nocturia, have meant a shift in the way men with lower urinary tract symptoms are assessed and managed. We review the recent guidelines and publications that have addressed this change in approach. RECENT FINDINGS: A new ß-3 adrenoreceptor agonist has demonstrated significant improvement in storage symptoms and appears to be well tolerated. SUMMARY: We support a continued move towards a patient-focused and management using the current guidelines.


Subject(s)
Adrenergic beta-3 Receptor Agonists/therapeutic use , Lower Urinary Tract Symptoms/drug therapy , Nocturia/drug therapy , Prostate/drug effects , Urinary Bladder/drug effects , Guideline Adherence , Humans , Lower Urinary Tract Symptoms/classification , Lower Urinary Tract Symptoms/diagnosis , Lower Urinary Tract Symptoms/physiopathology , Male , Nocturia/classification , Nocturia/diagnosis , Nocturia/physiopathology , Practice Guidelines as Topic , Practice Patterns, Physicians' , Prostate/physiopathology , Terminology as Topic , Treatment Outcome , Urinary Bladder/physiopathology , Urodynamics/drug effects
19.
Eur Urol ; 65(2): 389-98, 2014 Feb.
Article in English | MEDLINE | ID: mdl-24184024

ABSTRACT

CONTEXT: Detrusor underactivity (DU) is a common cause of lower urinary tract symptoms (LUTS) in both men and women, yet is poorly understood and underresearched. OBJECTIVE: To review the current terminology, definitions, and diagnostic criteria in use, along with the epidemiology and aetiology of DU, as a basis for building a consensus on the standardisation of current concepts. EVIDENCE ACQUISITION: The Medline and Embase databases were searched for original articles and reviews in the English language pertaining to DU. Search terms included underactive bladder, detrusor underactivity, impaired detrusor contractility, acontractile detrusor, detrusor failure, detrusor areflexia, raised PVR [postvoid residual], and urinary retention. Selected studies were assessed for content relating to DU. EVIDENCE SYNTHESIS: A wide range of terminology is applied in contemporary usage. The only term defined by the standardisation document of the International Continence Society (ICS) in 2002 was the urodynamic term detrusor underactivity along with detrusor acontractility. The ICS definition provides a framework, considering the urodynamic abnormality of contraction and how this affects voiding; however, this is necessarily limited. DU is present in 9-48% of men and 12-45% of older women undergoing urodynamic evaluation for non-neurogenic LUTS. Multiple aetiologies are implicated, affecting myogenic function and neural control mechanisms, as well as the efferent and afferent innervations. Diagnostic criteria are based on urodynamic approximations relating to bladder contractility such as maximum flow rate and detrusor pressure at maximum flow. Other estimates rely on mathematical formulas to calculate isovolumetric contractility indexes or urodynamic "stop tests." Most methods have major disadvantages or are as yet poorly validated. Contraction strength is only one aspect of bladder voiding function. The others are the speed and persistence of the contraction. CONCLUSIONS: The term detrusor underactivity and its associated symptoms and signs remain surrounded by ambiguity and confusion with a lack of accepted terminology, definition, and diagnostic methods and criteria. There is a need to reach a consensus on these aspects to allow standardisation of the literature and the development of optimal management approaches.


Subject(s)
Lower Urinary Tract Symptoms , Terminology as Topic , Urinary Bladder Diseases , Urinary Bladder/physiopathology , Urodynamics , Consensus , Female , Humans , Lower Urinary Tract Symptoms/classification , Lower Urinary Tract Symptoms/diagnosis , Lower Urinary Tract Symptoms/epidemiology , Lower Urinary Tract Symptoms/physiopathology , Male , Predictive Value of Tests , Prognosis , Risk Factors , Urinary Bladder Diseases/classification , Urinary Bladder Diseases/diagnosis , Urinary Bladder Diseases/epidemiology , Urinary Bladder Diseases/physiopathology
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