Occupational risk assessment of organophosphates with an emphasis on psychological and oxidative stress factors

Organophosphate pesticides (OPPs) are widely used all over the world in domestic and industrial settings, but these chemicals affect the nervous system, induce suicidal thoughts, depression and anxiety, and impair sleep quality. The purpose of this study was to investigate the relationship between the main toxicity mechanisms of OPPs, oxidative stress and cholinesterase inhibition, and psychological parameters in chronic exposure to OPPs. This cross-sectional study was conducted on 56 male OPPs factory workers as the worker group and 47 unexposed individuals within the same age range as the control group. Psychological factors were assessed using validated questionnaires. The activity of plasma cholinesterase and oxidative stress biomarkers, total antioxidant capacity of plasma, lipid peroxidation (LPO), and protein carbonylation were determined in blood samples by spectrophotometer. Sleep quality score in the factory workers was lower, and depression and suicidal ideation scores were higher than those in the control group. These factory workers showed 35% lower levels of plasma cholinesterase activity than did the controls. Compared to the control group, a significant impairment in oxidative stress biomarkers was also observed in the workers. Meanwhile, there was a significant relationship between the duration of employment and the level of LPO as well as a significant correlation between the quality of sleep and plasma cholinesterase in the workers. In conclusion, long-term exposure to OPPs could cause oxidative damages and neurobehavioral effects. The close monitoring of workplace exposure to organophosphates pesticides and also their respective solvents along with the reduction of working hours are of the necessities to avoid the adverse impacts of exposure to these pesticides.

The prevalence of self-medication in breastfeeding mothers during the COVID-19 pandemic

BACKGROUND

Self-medication is an important health and social issue, especially for women due to critical periods such as pregnancy and lactation. Accordingly, this study aimed to investigate the use of nonprescribed medications by lactating mothers visiting health centers affiliated to Kerman University of Medical Sciences during the COVID-19 pandemic.

MATERIAL AND METHODS

This descriptive-analytical cross-sectional study was conducted in Kerman from October to December 2020. The research population included all lactating women who visited health centers affiliated to Kerman University of Medical Sciences to receive health services. The data in this study were collected using a checklist.

RESULTS

A total of 228 mothers who met the inclusion criteria participated in the study. A total of 221 mothers (97.0%) received nonprescribed medications (377 drugs in total). Among 377 nonprescribed medications, 279 drugs (74.0%) could be used while breastfeeding. The three most commonly used nonprescribed medications were acetaminophen tablets (84 [22.3%]), gelofen compound (51 [13.5%]), and adult cold medications. The majority of the mothers, 153 (40.6%), chose nonprescribed medications based on pharmacy staff recommendations. The COVID-19 outbreak was the most common reason for using 246 (65.3%) nonprescribed drugs. There was a statistically significant relationship between the mothers' education and the accuracy of their information about the side effects of nonprescribed medications use.

CONCLUSION

The prevalence of self-medication by lactating women during the COVID-19 pandemic was very high. A significant percentage of the mothers did not have correct information about the adverse effect of arbitrary use of nonprescribed drugs on their babies.

Evaluating the effect of black myrobalan on cognitive, positive, and negative symptoms in patients with chronic schizophrenia: A randomized, double-blind, placebo-controlled trial

Schizophrenia, as a chronic and disabling mental disorder, causes a wide range of symptoms, including cognitive impairments, positive, negative, and mood symptoms. There are no effective treatments for cognitive symptoms. Black myrobalan (Terminalia chebula Retz.), a medicinal plant of the Combretaceae family, exerts antioxidant, antiacetylcholinesterase, and anti-inflammatory effects. These effects can lessen the symptoms of schizophrenia. So, this study was conducted to evaluate black myrobalan's impact on cognitive impairments and negative/positive symptoms in patients with chronic schizophrenia. This was a randomized, double-blind, placebo-controlled clinical trial in which participants were divided into treatment and placebo groups. They received six 500 mg capsules of black myrobalan or placebo in two divided doses for 4 weeks. Patients' cognitive impairments, positive, negative, depression/anxiety, and excitement/activity symptoms were assessed using the Screen for Cognitive Impairments in Psychiatry (SCIP) and the relevant subscales of the Positive and Negative Syndrome Scale (PANSS) pretreatment and 4 weeks after treatment. Cognitive impairments (SCIP) (p value .004), negative symptoms (PANSS subscale) (p value .017), and excitement/activity (PANSS subscale) (p value .003) were significantly improved in the black myrobalan group compared with the control group after 4 weeks. No serious adverse effects were reported. Black myrobalan could improve cognitive impairments, negative and excitement/activity symptoms in chronic schizophrenic patients.

The effects of Berberis vulgaris L. root extract on the opiate withdrawal syndrome and psychological factors: a randomized double-blind clinical trial

OBJECTIVES

In this clinical trial, the effect of aqueous extract of Berberis vulgaris L. was investigated on opiate withdrawal syndrome, depression, anxiety, stress, and sleep quality in opioid addicts which were under methadone maintenance therapy.

METHODS

For this purpose, 52 opiate addicts were randomly selected of whom 28 received 500 mg capsules of B. vulgaris extract (treatment) and the rest received 500 mg of starch capsules (placebo), twice daily for 4 weeks. Signs and symptoms of opiate withdrawal syndrome, depression, anxiety, stress, and sleep quality were assessed through Clinical Opiate Withdrawal Scale (COWS), Pittsburgh Sleep Quality Inventory (PSQI) and Depression Anxiety Stress Scales-21 (DASS-21) questionnaires at baseline and after 7, 14, and 28 days of receiving intervention.

RESULTS

Signs and symptoms of opiate withdrawal syndrome were significantly improved in those who received the extract for 1 month compared to the placebo group. However, there were no significant differences in depression, anxiety, stress, and sleep quality scores in the treatment group compared to those in the placebo group.

CONCLUSIONS

The extract of B. vulgaris root as a traditional herbal product in combination with methadone could improve the symptoms and signs of opiate withdrawal.

Successful treatment of aluminium phosphide poisoning by dihydroxyacetone: A two-case report study

WHAT IS KNOWN AND OBJECTIVE

Aluminium phosphide (AlP) is an agricultural fumigant which produces phosphine gas in the presence of moisture. Phosphine inhibits oxidative phosphorylation and causes cell death by inhibiting cytochrome C oxidase. Clinical manifestations of AlP poisoning are refractory hypotension, tachycardia, low oxygen saturation and severe metabolic acidosis.

CASE SUMMARY

Two cases received dihydroxyacetone (DHA) in addition to routine management of AlP poisoning. Administration of DHA (7 gr in 50 mL sodium bicarbonate, gavage) 2 times at a 1-hour interval improved the clinical signs.

WHAT IS NEW AND CONCLUSION

This is the first case report to highlight the safe and successful treatment of AlP poisoning with DHA. However, more clinical studies are recommended to determine the precise mechanism of DHA action.

Green tea as an adjunctive therapy for treatment of acute uncomplicated cystitis in women: A randomized clinical trial

BACKGROUND

and purpose: Different in vitro studies have reported the antimicrobial effects of green tea catechins and also their synergistic effects with trimethoprim-sulfamethoxazole against E. coli. The aim of the present study was to evaluate the efficacy of green tea as an adjunctive therapy to standard antimicrobial treatment in women with acute uncomplicated cystitis.

MATERIALS AND METHODS

In this blinded randomized trial, 70 patients were assigned to receive four 500 mg capsules of green tea or starch as placebo daily for three days along with trimethoprim-sulfamethoxazole. The presence of acute uncomplicated cystitis symptoms was recorded and urinalysis was performed.

RESULTS

Women in the green tea group showed a statistically significant decrease in the prevalence of cystitis symptoms and a statistically significant improvement in the urinalysis results except for hematuria after 3 days of treatment.

CONCLUSION

Green tea was an effective adjunct to trimethoprim-sulfamethoxazole to treat acute uncomplicated cystitis in women.

Influence of pharmacy students on the attitudes of medical students following an interprofessional course

BACKGROUND

Clinical interprofessional education (IPE) can promote mutual understanding of other health professions and respectful behaviors among health-care professionals. The aims of this study were to evaluate the effects of IPE on the attitudes of medical and pharmacy students in an inpatient hospital setting and, in particular, the influence of pharmacy students on the attitudes of medical students.

METHODS

The 6th year doctor of pharmacy students and medical students were enrolled in a prospective cohort study. They were paired and each pair was responsible for three beds and all the patients occupying these mentioned beds over the 2-week course. The Readiness for Interprofessional Learning Scale (RIPLS) questionnaire was used to assess the students' attitudes before and after the course.

RESULTS

The attitudes of the medical students changed positively after the IPE course based on RIPLS teamwork and collaboration and professional identity subscales. Changes in the attitudes of the pharmacy students were not statistically significant based on the mentioned scale and subscales.

DISCUSSION

IPE could improve the attitudes of the medical students regarding interprofessional teamwork, communication, and sharing learning experience. Based on the current investigation, IPE did not have an effect on pharmacy students.

Evaluating the practice of Iranian community pharmacists regarding oral contraceptive pills using simulated patients

BACKGROUND

As oral contraceptive pills are available over the counter in pharmacies, pharmacists are professionally responsible for checking and informing patients about every aspect of taking these drugs. Simulated patient method is a new and robust way to evaluate professional performance of pharmacists.

OBJECTIVE

The aim of the present study was to evaluate the pharmacy practice of Iranian pharmacists regarding over-the-counter use of oral contraceptive pills using simulated patient method.

METHODS

Simulated patients visited pharmacy with a prescription containing ciprofloxacin and asked for oral contraceptive pills. The pharmacist was expected to ask important questions for using these drugs and to inform the patient about them properly. Moreover, the Pharmacists should advise patients in regard to the possible interaction.

RESULTS

Ninety four pharmacists participated in this study. In 24 (25.3%) visits, the liable pharmacist was not present at the time of purchase. Furthermore, In 13 (18.57 %) visits by the simulated patients, the liable pharmacists did not pay any attention to the simulated patients even when they asked for consultation. Twenty nine (41.43%) pharmacists did not ask any question during dispensing. Nausea was the most frequent described side effect by pharmacists (27 (38.57%)). Yet important adverse effects of oral contraceptive pills were not mentioned by the pharmacists except for few ones. Only twelve (17.14%) pharmacists mentioned the possible interaction. There was a significant relation between the pharmacists' gender and detection of possible interaction (p value= 0.048).

CONCLUSION

The quality of the pharmacists' consultations regarding the over the counter use of oral contraceptive pills was not satisfactory and required improvement.

Benefits of Pharmacist's Participation on Hospitalist Team

This study was performed to assess the incidence of medication errors and irrational use of human albumin in two wards of our hospital and also aimed to evaluate the ability of pharmaceutical care center and pharmacists in improving patient care. Albumin administration was evaluated for patients who received albumin during the study period, in gastroenterology and general surgery wards. The indications for Albumin administration were evaluated on the basis of reliable guidelines. The prescribing errors were simultaneously evaluated by reviewing patients' medical records. Prescribing errors were defined as selecting improper drug (based on indications, contraindications, known allergies, drug-class duplications and drug-drug interactions), dose, dosage form, and route of administration. It was found that 465 containers of human albumin solution 20 % were used for 54 patients treated in gastroenterology and general surgery wards of our hospital. A total of 306 (65.81%) vials of the albumin administrations were in concordance with the reliable protocol. The cost of irrational use of this drug (159 vials) for patients is equivalent to $ 8215. From 609 reviewed cases, 81 prescribing errors were detected in 64 patients. This study showed that the pharmacists were effective in identifying irrational drug use and medication errors.

Associated Factors of Suicidal Thoughts in HIV-Positive Individuals

OBJECTIVE

As a first study, suicidal ideation and its correlates have been evaluated in Iranian HIV positive population.

METHODS

One hundred and fifty HIV-positive individuals were recruited in this cross-sectional study. The Hospital Anxiety and Depression Scale (HADS), Positive and Negative Suicide Ideation (PANSI), Pittsburgh Sleep Quality Inventory (PSQI) and Somatization subscale of Symptom Checklist 90 (SCL 90) as self- reported questionnaires were used to assess the patients' anxiety and depression status, suicidal thoughts, sleep quality and physiological factors, respectively.

RESULTS

Antiretroviral therapy and efavirenz intake did not show any significant effects on the patients' suicidal ideation. Anxiety (p<0.001), depression (p<0.001), poor physical activity (P<0.001) and sleep quality (p<0.001) were significantly associated with the patients' negative suicidal ideation. From the patients' demographic data, unemployment (p = 0.04), living alone (p = 0.01), and lack of family support (p = 0.01) were correlated with the patients' negative suicidal thoughts.

CONCLUSION

Although hospitals are the main referral centers for providing care for HIV-positive individuals in Tehran, Iran, conducting a multi-center study with sufficient sample size from different areas of our country that include individuals with different behaviors and cultures is essential to confirm the results of this study.

Associated factors of sleep quality in HIV-positive individuals

ABSTRACT 

Objective: In the present study, sleep quality and associated factors have been evaluated in HIV-positive individuals. Methods: 150 HIV-positive and 50 non-HIV-positive people were included. Pittsburgh Sleep Quality Index, Hospital Anxiety and Depression Scale, somatization subscale of Symptom Checklist-90 were used for evaluation of sleep quality, anxiety, depression and physiological factors respectively. Results: Statistically significant differences were found regarding sleep quality (p < 0.001) between the HIV-positive and control group. There was significant direct correlation between sleep quality and each of somatization subscale of Symptom Checklist-90, depression and anxiety scores in HIV-positive individuals. Conclusion: Depression, anxiety and physical morbidity were detected as main factors that affect sleep quality in the HIV-positive individuals.

Effects of green tea on Escherichia coli as a uropathogen

Escherichia coli is the most common cause of urinary tract infections. The development of antibiotic resistance in E. coli is an important problem. Finding alternative antimicrobial agents from plant extracts has received growing interest. Camellia sinensis is a safe, nontoxic, cheap beverage that has been reported to have antimicrobial effects against various pathogenic bacteria including E. coli. Polyphenolic components of green tea ( lǜ chá) have antibacterial activity. Catechins also have synergistic effect with antibiotics such as chloramphenicol, amoxicillin, sulfamethoxazole, azithromycin, levofloxacin, gentamycin, methicillin, naldixic acid, and, especially ciprofloxacin. In this review, all experimental studies that evaluated the effect of green tea on E. coli were collected. Data from in vitro studies on the antimicrobial effects of green tea are promising, but human data are currently lacking. In vivo studies on antibacterial effects of green tea and evaluating the efficacy of its catechins in the treatment of urinary tract infection are needed.

Ginger for prevention of antiretroviral-induced nausea and vomiting: a randomized clinical trial

OBJECTIVE

In this randomized clinical trial ginger efficacy for prevention of antiretroviral-induced nausea and vomiting (N/V) was investigated.

METHODS

From July 2011 until the end of June 2013, 102 HIV positive patients attending the HIV clinic of Imam Khomeini Hospital participated in the study. In a double blinded manner, participants randomly received either 500 mg ginger or placebo two times per day, 30 min before each dose of antiretroviral regimen for 14 days. The severity of nausea was assessed based on the visual analogue scale. The number of vomiting episodes were also recorded during the study period.

RESULTS

A total of 46 (90.2%) and 29 (56.4%) of the patients in placebo and ginger groups experienced some degree of nausea during the first 2 weeks of antiretroviral therapy (ART), respectively (p = 0.001). Frequency of mild, moderate and severe nausea were significantly lower in the ginger than placebo group (p = 0. 001). Also, 24 (47.1%) and 5 (9.8%) of the patients in the placebo and ginger groups reported at least one episode of vomiting during their time on ART, respectively (p = 0.01).

CONCLUSION

Ginger was effective in ameliorating of antiretroviral-induced N/V.

Ginger for prevention or treatment of drug-induced nausea and vomiting

PURPOSE

In this review, potential benefits of oral ginger for prevention or management of drug- induced nausea and vomiting were evaluated based on the available evidences.

METHOD

By searching medical resources including Scopus, PubMed, Medline, Cochrane central register of controlled trials and Cochrane database systematic reviews, available evidences were collected. Ginger, zingiber, nausea and vomiting were considered as keywords.

RESULTS AND CONCLUSION

Various studies have evaluated effects of ginger in prevention and management of nausea and vomiting in different conditions such as pregnancy, chemotherapy, and post-operation. Evidences regarding anti-emetic effect of ginger in prevention and treatment of chemotherapy induced nausea and vomiting are limited and results are conflicting. More randomized clinical trials should be conducted to confirm efficacy of ginger in this regards. Ginger showed promising and attractive effects in preventing post-operative nausea and vomiting at least as add-on therapy. The exact role of ginger as anti-emetic in prevention of post- operative nausea and vomiting can be elucidated by future randomized clinical trials.

Increasing the number of adverse drug reactions reporting: the role of clinical pharmacy residents

Detection of adverse drug reactions (ADRs) in hospitals provides an important measure of the burden of drug related morbidity on the healthcare system. Spontaneous reporting of ADRs is scare and several obstacles to such reporting have been identified formerly. This study aimed to determine the role of clinical pharmacy residents in ADR reporting within a hospital setting. Clinical pharmacy residents were trained to report all suspected ADRs through ADR-reporting yellow cards. The incidence, pattern, seriousness, and preventability of the reported ADRs were analyzed. During the period of 12 months, for 8559 patients, 202 ADR reports were received. The most frequently reported reactions were due to anti-infective agents (38.38%). Rifampin accounted for the highest number of the reported ADRs among anti-infective agents. The gastro-intestinal system was the most frequently affected system (21.56%) of all reactions. Fifty four of the ADRs were reported as serious reactions. Eighteen of the ADRs were classified as preventable. Clinical pharmacy residents' involvement in the ADR reporting program could improve the ADR reporting system.

Cyproheptadine for prevention of neuropsychiatric adverse effects of efavirenz: a randomized clinical trial

Cyproheptadine prevention of the neuropsychiatric adverse effects of an antiretroviral regimen including efavirenz has been evaluated in a randomized clinical trial. Twenty-five patients (16 males and 9 females with mean±SD ages of 36±9 years) in a cyproheptadine group, and 26 patients (17 males and 9 females with mean±SD ages of 34±7 years) in a control group completed the trial. Sexual contact and injection drug use were the main routs of HIV infection in both groups. The patients' neuropsychiatric adverse effects were evaluated based on the Hamilton Depression Rating Scale, Hamilton Anxiety Rating Scale, Positive and Negative Syndrome Scale, Beck Depression Scale, Pittsburgh Sleep Quality Inventory, Positive and Negative Suicide Ideation, and Somatization Subscale of Symptom Checklist 90 at baseline and 4 weeks after treatment. Cyproheptadine significantly decreased the scores of Hamilton Depression Rating Scale, Hamilton Anxiety Rating Scale, Positive and Negative Syndrome Scale, Beck Depression Scale, Pittsburgh Sleep Quality Inventory, Positive and Negative Suicide Ideation of the patients after 4 weeks in comparison with control group. All of the scores increased in control group following antiretroviral therapy. Although short duration of the patients' follow-up was a major limitation of the study, the results of the study showed that cyprohepradine is effective in prevention of depression, anxiety, hallucination, aggressive behaviors, emotional withdrawal, poor rapport, poor impulse control, active social avoidance, suicidal ideation, and improved sleep quality of HIV-positive patients after initiation of antiretroviral therapy including efavirenz.

Medication errors in an emergency department in a large teaching hospital in tehran

Medication errors have important effects on increased length of hospitalization, increased mortality and costs. We assessed the incidence of medication errors and characterize the error types in an emergency department in a large teaching hospital in Tehran. We also investigated the effect of Emergency Department pharmacists on patient safety with regard to recovery of potentially harmful medication errors. The study was conducted in the 24 bed emergency department from February to March, 2010 at a 600-bed teaching hospital. Two hospital pharmacists and two clinical pharmacy residents observed care provision and collected data on medication errors. Demographic data, type of medication error, the recorded stage of error, date and time of occurrence and report, who made the error, probability of error were recorded from medical records. We used chi-squared and independent sample t- tests for analyzing the data. We recorded 203 medication errors during 180 hours. The incidence of medication errors was 50.5% at various levels in the emergency department. Significant difference in age means was seen between the patients with and without medication errors. Seventy four point nine percent of errors were recorded as definitely an error. Most recorded errors were made by nurses (44.5%) and occurred in administrating stage (63.6%). Given that the rate of the errors was relatively high, it seems that the presence of clinical pharmacist can be beneficial.