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1.
Background: Dilated cardiomyopathy is a frequent disease responsible for 40–50% of cases of heart failure. Idiopathic cardiomyopathy is a primary disorder often related to familial/genetic predisposition. Before the diagnosis of idiopathic cardiomyopathy is made, clinicians must not only rule out viral and immune causes, but also toxic causes such as drugs, environmental agents, illicit substances and natural toxins.

Objective: The objective of this review is to present recent data on the mechanisms underlying toxic cardiomyopathy.

Methods: The US National Library of Medicine Pubmed database was searched from 1980 to December 2017 utilizing the combinations of the search terms “toxic cardiomyopathy”, “drugs”, “anticancer drugs”, “azidothymidine”, “rosiglitazone”, “carbon monoxide”, “alcohol”, “illicit drugs”, “cocaine”, “metamfetamine”, “metals”, “venom”. A total of 339 articles were screened and papers that dealt with the pathophysiology of toxic cardiomyopathy, either in animal models or in clinical practice were selected, with preference being given to more recently published papers, which left 92 articles.

Anticancer drugs: The mechanisms of anthracycline-induced cardiotoxicity are primarily related to their mechanisms of action as anticancer drugs, mainly the inhibition of topoisomerase II β and DNA cleavage. Additional metabolic or oxidative stress factors may play a part, together with interference with iron metabolism. The more recent drugs, trastuzumab and imatinib, also influence stress pathways.

Antiretroviral agents: Azidothymidine is cardiotoxic as a result of mitochondrial toxicity. In addition to energy depletion, azidothymidine also increases the production of mitochondrial reactive oxygen species (ROS).

Antidiabetic drugs: The cardiotoxicity of thiazolidinedione antidiabetic drugs is still under investigation, though interference with mitochondrial respiration or oxidative stress is suspected.

Cocaine: Among the multiple mechanisms involved in cocaine-related cardiotoxicity, excessive sympathetic stimulation with increased myocardial oxygen consumption is well documented in the acute form of left ventricular dysfunction. As for cocaine-related cardiomyopathy, the role of apoptosis and ROS is under investigation.

Ethanol: The aetiology of ethanol-related cardiotoxicity is multifactorial, with individual susceptibility being important. It involves apoptosis, alterations of the excitation–contraction coupling in cardiac myocytes, structural and functional alterations of the mitochondria and sarcoplasmic reticulum, changes in cytosolic calcium flows, changes in calcium sensitivity of myofilaments, alterations of mitochondrial oxidation, deregulation of protein synthesis, decrease of contractile proteins and disproportion between the different types of myofibrils, changes in the regulation of myosin ATPase, up-regulation of the L-type calcium channels, increase of oxidative stress, and induction of ANP and p21 mRNA expression in ventricular myocardium.

Metamfetamines: Catecholamine-mediated toxicity is the probable cause, with a possible role for genetic susceptibility.

Carbon monoxide: In addition to hypoxic injury, carbon monoxide is also directly toxic to the mitochondria, with impairment of mitochondrial respiratory chain at the cytochrome c oxidase level, decrease of glutathione concentrations and of ATP production. There is no evidence for a delayed dilated cardiomyopathy in survivors of an acute exposure.

Metals: Cobalt-related cardiomyopathy probably results from interference with energy production and contractile mechanisms, but additional factors (nutrition, hypothyroidism) are often required. Antimony may cause lethal oxidative stress and cell death mediated by elevation in intra-cellular calcium. Proposed mechanisms for mercury toxicity include glutathione depletion, production of ROS, and interruption in selenium-dependent endogenous enzymatic reactions. The existence of a lithium-induced cardiomyopathy is still debated.

Scorpion venom: Catecholamine release is the probable cause of acute cardiomyopathy following scorpion envenomation.

Conclusions: The mechanisms behind toxic cardiomyopathy are complex and multifactorial but include interference with myocardial cell bioenergetics and intracellular calcium handling, the generation of ROS, neurohormonal stress, and induction of apoptosis.  相似文献   


2.
Introduction: Sodium hypochlorite is used as a bleaching and disinfecting agent and is commonly found in household bleach.

Objective: The objective is to review critically the epidemiology, mechanisms of toxicity, clinical features, diagnosis, and management of hypochlorite poisoning.

Methods: PubMed was searched from January 1950 to June 2018 using the terms “Hypochlorite”, “Sodium Hypochlorite”, “Sodium Oxychloride”, “Hypochlorous Acid”, “Bleach”, “Chlorine Bleach”, in combination with the keywords “poisoning”, “poison”, “toxicity”, “ingestion”, “adverse effects”, “overdose”, and “intoxication”. In addition, bibliographies of identified articles were screened for additional relevant studies including non-indexed reports. Non-peer-reviewed sources were also included. These searches produced 110 citations which were considered relevant.

Epidemiology: There is limited information regarding statistical trends on world-wide poisoning from sodium hypochlorite. In the United States of America, poison control center data have shown that enquiries regarding hypochlorite bleaches have ranged from 43,000 to 46,000 per year over the period 2012–2016.

Mechanisms of toxicity: Hypochlorite’s potential to cause toxicity is related to its oxidizing capacity and the pH of the solution. Toxicity arises from its corrosive activity upon contact with mucous membranes and skin.

Features following ingestion: While small accidental ingestions are very unlikely to cause clinically significant toxicity, large ingestions may cause corrosive gastrointestinal injury and systemic effects, including metabolic acidosis, hypernatremia, and hyperchloremia.

Features following dental exposure: Hypochlorite is used extensively by dentists for cleaning root canals and is safe if the solution remains within the root canal. Extrusions into the periapical area can result in severe pain with localized large and diffuse swelling and hemorrhage.

Features following skin exposure: Prolonged or extensive exposure may cause skin irritation and damage to the skin or dermal hypersensitivity. Such exposures can result in either immediate or delayed-type skin reactions. High concentration solutions have caused severe chemical skin burns.

Features following inhalation: Although there are only limited data, inhalation of hypochlorite alone is likely to lead to no more than mild irritation of the upper airways.

Features following ocular exposure: Corneal injuries from ocular exposure are generally mild with burning discomfort and superficial disturbance of the corneal epithelium with recovery within 1 or 2 days. With higher concentration solutions, severe eye irritation can occur.

Diagnosis: The diagnosis can typically be made on the basis of a careful history, including details of the specific product used, its hypochlorite concentration, and the amount involved. As hypochlorite bleach produces a characteristic smell of chlorine, this may provide a diagnostic clue. In severe cases, corrosive injury is suggested on presentation because of hypersalivation, difficulty swallowing, retrosternal pain or hematemesis.

Management: Symptom-directed supportive care is the mainstay of management. Gastrointestinal decontamination is not beneficial. Local corrosive injury is the major focus of treatment in severe cases. Fiberoptic endoscopy and CT thorax/abdomen are complimentary and have been shown to be useful in corrosive injuries in assessing the severity of injury, risk of mortality and risk of subsequent stricture formation and should be performed as soon as possible after ingestion. Dental periapical extrusion injuries should be left open for some minutes to allow bleeding through the tooth and to limit hematoma development in tissue spaces. Once the bleeding has ceased, the canal can be dressed with non-setting calcium hydroxide and sealed coronally.

Conclusions: Accidental ingestion of household bleach is not normally of clinical significance. However, those who ingest a large amount of a dilute formulation or a high concentration preparation can develop severe, and rarely fatal, corrosive injury so prompt supportive care is essential as there is no specific antidote. Treatment primarily consists of symptom-directed supportive care.  相似文献   


3.
Background: The aim of this study was to compare single-incision laparoscopic surgery (SILS) and conventional laparoscopy in ectopic pregnancies accompanied by severe hemoperitoneum.

Material and methods: The main outcome measures were duration of surgery, intraoperative bleeding quantity, complications, post-operative pain scores, additional analgesic requirements, and length of hospital stay.

Results: A total of 53 women, 28 in the conventional laparoscopy group and 25 in the SILS group, participated in the study. There were no differences in demographic characteristics between the two groups. There were no differences in terms of variables including gestational week, beta human chorionic gonadotropin (βhCG) levels, and operation time. No intraoperative complications were observed in either group. The groups exhibited no significant differences regarding additional analgesic requirements or postoperative pain scores. However, pain at the sixth postoperative hour was lower in the SILS group. This effect was not observed at 12 and 24?hours.

Conclusion: SILS appears to be effective and safe for the treatment of ruptured ectopic pregnancies accompanied by hemoperitoneum.  相似文献   


4.
Background: In Portugal’s capital, Lisbon, there are 19 public showers (PS) attended by a vulnerable population.

Aim: To describe the assessment and interventions performed during nursing consultations.

Method: This is a quantitative, observational, and cross-sectional study.

Findings: In a convenience sample of 77 users, 52% are females, 43% are single, 52% do not possess any economic resources, 87% have mental health issues, and 32% are homeless. The main nursing focuses found were: arterial hypertension, disease management skills, and emotional suffering. The most used nursing intervention is listening, followed by the expression of feelings, valuing the individual and his/her story, analyzing causes, providing support, and comforting.

Conclusions: This study shows that the main focus of the nursing care in these facilities is the human being. The respect for individuality and dignity was the primary concern, in an attempt to empower the individual to better manage his/her health and illness processes.  相似文献   


5.
Background: The purpose of this meta-analysis is to evaluate the evidence available on the safety as well as effectiveness of robotic resection as compared to conventional laparoscopic surgery for rectal cancer.

Material and methods: A comparison of laparoscopic and robotic surgical treatments for rectal cancer was collected. Eligible trials that analyzed probabilistic hazard ratios (HR) for endpoints of interest (including perioperative morbidity) and postoperative complications were included in our review.

Results: A total of six studies were included based on the present inclusion criteria. The pooled data showed that R-TME appeared to have association with remarkable reduction in the postoperative morbidity rate as compared to L-TME. Moreover, R-TME was also linked to lower conversion, decreased lymph node number, and longer operation time compared with L-TME. However, there was no difference in hospital stay, positive range of circumferential resection and blood loss between the two study groups.

Conclusions: Robotic rectal cancer surgery provides favorable outcomes and is considered as a safe surgical technique in terms of postoperative oncological safety. Like laparoscopic TME surgery, robotic surgery may be a valid alternative and complementary approach with beneficial effects on minimally-invasive surgery.  相似文献   


6.
Introduction: Pediatric pulmonary arterial hypertension (PAH) remains a rare and severe disease with a poor prognosis. PAH may be idiopathic, heritable or associated with systemic conditions in particular associated with congenital heart disease.

Areas covered: A thorough and extensive diagnostic approach is required for a correct diagnosis. The outcome has improved over the last decade with a better diagnostic approach and with the initiation of new targeted therapies. However, there is still significant progress to achieve as there is still no cure for this devastating disease.

Expert opinion: Adapted clinical studies to define the best therapeutic approach are needed. Even if the treatment approach is still mainly derived from adult data and expert consensus, several studies and registries are currently underway and should deliver important information in the next future.

This review aims to give an overview of the current diagnosis and treatment strategies of PAH.  相似文献   


7.
Background: The introduction of antibiotics into modern medicine has changed clinical care by saving millions of lives. However, misuse of antibiotics has led to their benefits being overshadowed by the development of antimicrobial resistance.

Aims of Study: This study aimed to assess university students’ knowledge and beliefs about and their use of antibiotics.

Methods: This cross-sectional study was conducted among 674 medical and non-medical students of the National Defence University of Malaysia, using universal and convenience sampling methods. The data was collected using a validated questionnaire and analyzed using IBM SPSS 24, and the MANOVA test and Logistic Regression were used to explore the associated factors.

Results: More than half of the respondents’ knowledge was low and their health beliefs outdated. Age, race and program were significantly associated with up-to-date knowledge and beliefs about antibiotic use, factors associated with finishing a course of antibiotics were studying medicine, personal health, and ethnicity. The significant factors associated with antibiotic self-prescribing were beliefs having been prescribed antibiotics during the last one year, and trusting the doctors who did not prescribe antibiotics.

Conclusion: This study has identified a concerning low knowledge about antibiotics amongst some Malaysian university students, reflected in use of un-prescribed antibiotics and a lack of adherence to treatment. There is a need for educational interventions for students regarding antibiotic usage and resistance issues.  相似文献   


8.
Background: Human Parvovirus B19 (B19V) is a common pathogen worldwide. After primary infection, B19V-DNA may permanently persist in non-erythroid tissues, including the liver of patients with acute liver failure (ALF).

Objective: To validate a real-time PCR (qPCR) for the quantification of B19V-DNA, in order to establish a differential diagnosis for B19V infection in ALF patients.

Methods: The qPCR techniques were based on Sybr Green® and TaqMan® methodologies. To evaluate the quality parameters of both methods, samples from patients with or without B19V infection were tested. The diagnostic utility of qPCR in the detection B19V-DNA in patients with ALF was evaluated by testing archived serum and hepatic tissue explants from 10 patients.

Results: The Sybr Green® methodology showed 97% efficiency, the limits of detection and quantification were 62.6 and 53,200 copies/mL, respectively. The TaqMan® methodology showed 95% efficiency, the limits of detection and quantification were 4.48 and 310 copies/mL, respectively. A false positive result was found only with the Sybr Green® methodology. Among ALF patients without defined etiology, three (30%) were positive for B19V DNA in serum and liver.

Conclusion: The qPCR methods validated here were effective in clarifying uncommon cases of B19V-related ALF and are fit for differential diagnosis of ALF causes.  相似文献   


9.
10.
Objective: Hypertension is a major cause of cardiovascular disease. Nevertheless, blood pressure (BP) is often inadequately treated. We studied visit patterns at primary health care centres (PHCCs) and their relation to individual BP control.

Design and setting: Cross-sectional register-based study on all patients with hypertension who visited 188 PHCCs in a Swedish region.

Patients: A total of 88,945 patients with uncomplicated hypertension age 40–79.

Main outcome measures: Odds ratio (OR) for the individual patient to achieve the BP target of ≤140/90?mmHg.

Results: Overall, 63% of patients had BP?≤?140/90?mmHg (48% BP?<?140/90). The PHCC that the patient was enrolled at and, as part of that, more nurse visits at PHCC level was associated with BP control, adjusted OR 1,10 (95% CI 1.01 to 1.21). Patients visiting PHCCs with the highest proportion of visits with nurses had an even higher chance of achieving the BP target, OR 1.19 (95% CI 1.07 to 1.32).

Conclusions: In a Swedish population of patients with hypertension, about half do not achieve recommended treatment goals. Organisation of PHCC and team care are known as factors influencing BP control. Our results suggests that a larger focus on PHCC organisation including nurse based care could improve hypertension care.  相似文献   


11.
Background: Laparoscopic inguinal hernia repair is considered technically difficult. Although a simulation-based curriculum has been developed to help trainees, access to simulation training outside North America is limited. This study aimed to develop an educational system for the transabdominal preperitoneal (TAPP) approach based on the TAPP checklist, an assessment tool we had developed and validated earlier.

Material and methods: Consensus within the TAPP education working group consisting of local TAPP experts, hernia experts and a surgical educator to develop educational tools and the educational system based on the TAPP checklist. The system was piloted in several institutes, and participants were surveyed on its efficacy.

Results: We systematically developed an educational video and training manual explaining each item of the TAPP checklist and conveying basic knowledge of the procedure. We integrated the training tool with evaluation and feedback to develop an educational system. In a pilot study, seven trainees at five hospitals were trained using this system and found it very useful for mastering the TAPP procedure.

Conclusions: We have developed a training system for TAPP procedure and successfully implemented it in several hospitals. Further research will focus on the educational value of this tool.  相似文献   


12.
Background: Infections of the anterior craniocervical junction may require surgery. There are various techniques with individual advantages and disadvantages. This study evaluates the full-endoscopic uniportal technique via the anterior retropharyngeal approach for odontoidectomy, decompression, and debridement.

Material and methods: Three patients with an infection of the anterior craniocervical junction with retrodental involvement were operated on between 2014 and 2016 using the full-endoscopic uniportal technique. Posterior stabilization was also performed with the same procedure for all patients.

Results: The operation was technically satisfactory in all cases. No problems due to swelling of the pharyngeal soft tissue occurred. No other complications were observed. All patients had a satisfactory outcome with stable regression of the myelopathy symptoms and/or complete healing of the infection. The follow-up images showed sufficient decompression of bone and soft tissues in all cases.

Conclusions: The full-endoscopic uniportal technique with an anterior retropharyngeal approach can be an adequate and minimally invasive surgical technique for odontoidectomy, decompression, and debridement in infections of the craniocervical junction and can reduce access-related problems. The transoral, transnasal, and retropharyngeal approaches have different surgical fields due to the access trajectories, which must be taken into consideration depending on the anatomy and pathology when selecting a suitable technique.  相似文献   


13.
Objective: Acute out-of-hours (OOH) healthcare is challenged by potentially long waiting time for callers in acute need of medical aid. OOH callers must usually wait in line, even when contacting for highly urgent or life-threatening conditions. We tested an emergency access button (EAB), which allowed OOH callers to bypass the waiting line if they perceived their health problem as severe. We aimed to investigate EAB use and patient characteristics associated with this use.

Design: Comparative intervention study.

Setting: OOH services in two major Danish healthcare regions.

Intervention: Giving callers the option to bypass the telephone waiting line by introducing an EAB.

Participants: OOH service callers contacting during end of October to mid-December 2017.

Main outcome measures: Proportions of EAB use, waiting time and background information on participants in two settings differing on organisation structure, waiting time and triage personnel.

Results: In total, 97,791 out of 158,784 callers (61.6%) chose to participate. The EAB was used 2905 times out of 97,791 (2.97%, 95%CI 2.86; 3.08). Patient characteristics associated with increased EAB use were male gender, higher age, low education, being retired, and increasing announced estimated waiting time. In one region, immigrants used the EAB more often than native Danish callers.

Conclusion: Only about 3% of all callers chose to bypass the waiting line in the OOH service when given the option. This study suggests that the EAB could serve as a new and simple tool to reduce the waiting time for severely ill patients in an OOH service telephone triage setting.

  • Key Points
  • Acute out-of-hours healthcare is challenged by overcrowding and increasing demand for services.

  • This study shows that only approximately 3% of callers chose to bypass the telephone waiting queue when given the opportunity through an emergency access button.

  • An emergency access button may serve as a new tool to help reduce the triage waiting time for severely ill patients in out-of-hours medical facilities.

  相似文献   

14.
15.
Background: Treatment needs and health-care issues in women are completely different from those of men. In order to develop and apply successful treatment programs for substance-dependent women, gender-based differences should be considered to provide them with effective health care and treatment services.

The present study was conducted to investigate the views of substance dependent women about their health care and treatment needs.

Methods: In-depth and semi-structured interviews were conducted among 20 opiate using women who were chosen through purposeful sampling from camps, methadone maintenance treatment (MMT) centers and women’s prison in Sanandaj, Iran in 2015. Data were analyzed using content analysis (a conventional approach).

Findings: Three main factors were recognized through data analysis: individual factors, structural factors, and social factors.

Conclusions: The results of the study suggests the need for structural changes such as improving comprehensive services and enhancing referral system regarding gender-based differences to provide the substance-dependent women with more effective treatment and medical care.  相似文献   


16.
Objective: We aimed to compare the post-intervention time-course changes in active knee extension (AKE) and active lumbar flexion (ALF) range of motion in response to unilateral posterior–anterior (UPA) mobilizations of the lumbar spine (L4/5 zygapophyseal).

Methods: Twenty-four asymptomatic participants (maleness: 0.58, age [mean ± standard deviation]: 32 ± 8 years, body mass index 25.9 ± 2.6 kg m2) were recruited to a fully controlled crossover trial. Following either the intervention (L4/5 zygapophyseal mobilizations) or control, participants immediately performed the AKE and ALF tests, which were also performed at baseline. Subsequent tests were made at intervals of 5, 10, 15, 20, 25, 30, 45 and 60 min.

Results: After adjustment for baseline (mean AKE: 37.2° from full extension, mean ALF: 14.37 cm), sex and age, UPA lumbar mobilizations had a most likely moderate effect on AKE (9.8° closer to full extension; ±1.9) and a likely moderate effect on ALF (1.34 cm; ±90% confidence limits 0.43). The magnitude of the AKE effect became most likely small 20-min posttreatment (5.3; ±1.7) and possibly small/possibly trivial 60-min posttreatment (2.1; ±1.4). For ALF, the magnitude of the effect became most likely small 15-min posttreatment (0.76; ±0.25), possibly small/possibly trivial 25-min posttreatment (0.38; ±0.18) and likely trivial 60-min posttreatment (0.26; ±1.8).

Discussion: UPA lumbar mobilizations increased lumbar Range of Motion and hamstring extensibility by a moderate magnitude, with the effect reducing after 10–20-min posttreatment. Clinicians should consider these time-course changes when applying UPA lumbar mobilizations.

Clinical Trials Registry: NCT03273400

Evidence Level: 2b  相似文献   


17.
Background: Narrative research shows that identity change is key to recovery from substance misuse. Theories have focused on either personal or social factors in this process. A framework encompassing Agency and Communion has been useful in understanding narratives in similar populations.

Objectives: The study proposes that substance misuse and recovery can be understood from an Agency-Communion perspective.

Method: The Life As A Film Task (LAAF) and repertory grids were used to explore Agency and Communion in a sample of 32 participants.

Results: Smallest Space Analysis of LAAF items revealed four different narratives according to themes of Agency and Communion. Case examples indicated that Agency and Communion predicted a recovery identity, and the absence of Agency and Communion predicted substance misuse. Analysis of repertory grids showed fixed low Agency/Communion construct systems in cases of substance misuse and transformed high Agency/Communion construct systems in cases of recovery. Transformation from a low Agency/Communion substance-using identity toward a high Agency/Communion recovery identity was highlighted.

Conclusions: These preliminary findings illustrate the role of Agency and Communion processes in identity-transforming recovery from substance misuse.  相似文献   


18.
Introduction: Congenital muscular torticollis (CMT) is a neck deformity that involves unilateral shortening of the sternocleidomastoid (SCM). Conservative physiotherapy management of CMT is primarily focused on stretching the affected SCM. However, there is limited research evidence on the use of stretching to improve the extensibility of SCM in infants with CMT.

Aim: To investigate the effectiveness of stretching for infants with CMT.

Method: A systematic search of AMED, CINAHL, MEDLINE, EMBASE, Physiotherapy Evidence Database (PEDro) and Cochrane Library was conducted during the period 2011–2018.

Results: Seven articles that met eligibility criteria were reviewed out of a total number of 415 articles that were screened; two articles were randomised control trials and five were cohort studies. The studies typically reported statistically significant benefits of stretching for the restoration of cervical range of movement and SCM thickness (p < 0.05). Appraisal of the studies revealed varied quality.

Conclusion: The results suggest that stretching is an effective treatment intervention for the management of infants with CMT and early physiotherapy referral can lead to decreased treatment duration. However, due to a variation in study quality; additional high-quality research is needed to help formulate more robust conclusions.  相似文献   


19.
Background: Joint Hypermobility Syndrome (JHS) and Ehlers-Danlos Syndrome (EDS) are heritable connective tissue disorders characterised by joint instability, pain, anxiety, depression and poor quality of life. However, peoples’ lived experiences are not well understood.

Objective: To understand the lived experiences of people with JHS and EDS.

Methods: A systematic review was conducted using PRISMA guidelines. Critical appraisal and a thematic synthesis of participants’ lived experiences were conducted. Eight online databases were searched from 1990 to February 2018: AMED, CINAHL, EMBASE, MEDLINE, PubMed, PsychINFO, SPORTDiscus and the Cochrane Library. Eligibility criteria were: (1) People with either JHS or EDS, clearly distinguished from generalised joint laxity; (2) Qualitative studies, or mixed qualitative and quantitative studies with qualitative data reported independently and (3) Published in English.

Results: A total of nine studies were included. Five main themes were identified: (1) Lack of professional understanding; (2) Restricted life; (3) Social stigma; (4) Trying to ‘keep up’ and (5) Gaining control. The implications of these results are explored.

Conclusions: Further qualitative research is required to examine the impact of JHS/EDS on a wider range of participants and in greater depth.  相似文献   


20.
Background: Increasing rates of opioid use in the United States have created a national public health crisis. Substance use in pregnancy increases risk for poor birth outcomes. National advisory groups recommend screening all women for prenatal substance use. However, there is no single approach or tool recommended for universal prenatal substance use screening.

Objective: This study seeks to evaluate the effectiveness of universal screening using a direct approach self-report of substance use in pregnancy.

Method: A retrospective review of de-identified data to evaluate women’s willingness to self-report substance use through direct screening. Data obtained from 24 months of maternal self-report were analyzed to assess the overall effectiveness of a direct screening method during the prenatal period.

Results: Findings revealed maternal substance use disclosure rates of 9.7%, higher than the 5.4% United States national average.

Conclusion: Increasing awareness of maternal prenatal substance use offers opportunity for education and support early in pregnancy. Findings suggest the direct method may support maternal self-report of substance use in universal prenatal screening. Additional study with diverse populations and clinical settings is needed.  相似文献   


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