This study assessed the association between fine particulate matter (PM2.5) exposure during pregnancy and stillbirth in Pakistan. We hypothesised that higher PM2.5 exposure is linked to increased stillbirth risk.
A cross-sectional study using secondary data from the 2017 to 2018 Pakistan Demographic and Health Survey (PDHS), combined with satellite-derived PM2.5 exposure data.
The study covered urban and rural areas across Pakistan, including all four provinces (Punjab, Sindh, Khyber Pakhtunkhwa and Baluchistan) and administrative regions (Gilgit-Baltistan (GB), Islamabad, Federally Administered Tribal Areas and Azad Jammu Kashmir).
The study included 9172 married women aged 15–49 with at least one birth in the past 5 years. Women with incomplete pregnancy outcome data were excluded.
PM2.5 exposure was estimated using satellite data, matching PDHS clusters with the nearest air quality point via MATLAB. Monthly average exposure was categorised into quartiles.
Stillbirth, defined as pregnancy loss at ≥28 weeks gestation.
Multivariable logistic regression was used to assess the association between PM2.5 and stillbirth, adjusting for maternal age, gravidity, wealth index, birth interval, previous adverse pregnancy outcome and region of residence. The stillbirth rate in Pakistan for the most recent pregnancy was 17.0 (14.5–19.9) per 1000 births, with highest rates (28.9) in Baluchistan province. The mean level of PM2.5 exposure in Pakistan was 53.96 (SD 20.42; range 5.9–209.4) µg/m3. PM2.5 exposure was higher for urban (56.43) than rural (51.87) pregnancies, highest in Sindh (78.06) and lowest in GB (13.41) provinces. For every 1 µg/m3 average increase in PM2.5 during the pregnancy period, there was approximately 1% increase in stillbirth.
Increased PM2.5 exposure was strongly associated with stillbirth risk. This underscores the need for targeted public health interventions, such as government regulations, emission controls and clean energy initiatives to protect pregnant women in high-risk areas.
This study sought to explore decision making among caregivers of children with cancer in Pakistan, one of the largest lower middle-income countries in the world.
Cross-sectional survey study
This study was conducted in Pakistan at Indus Hospital and Health Network in Karachi and Children’s Hospital of Lahore. Children’s Hospital of Lahore is a public sector hospital, and Indus Hospital has a foundation-based funding structure. Both are larger tertiary care centers. Over 2,500 new patients are seen at these centers annually, this accounts for almost 50% of all children with cancer in Pakistan
Eligible participants included bedside caregivers, defined as a parent or family member involved in communication with the medical team, of children with cancer (
Primary outcome measures included caregiver priorities and experiences related to communication including decision-making role, involvement of the paediatric patient and decisional regret.
Participants included 200 caregivers of children
Findings from this study highlight the importance of exploring preferences for decision making and empowering bedside caregivers while respecting cultural norms. In the Pakistani context, it may be specifically important to consider gender roles and the inclusion of extended family members. Future work should investigate paediatric patient involvement in diverse settings.
Deep vein thrombosis (DVT) in critically ill patients is often undetected. However, it is unclear whether ultrasound surveillance for early detection of DVT in high-risk medical-surgical intensive care unit (ICU) patients improves patients’ outcomes. The DETECT trial (Diagnosing deep-vein thrombosis early in critically ill patients) evaluates the effect of twice-weekly bilateral lower limb ultrasound compared to usual care on 90-day mortality of critically ill adult patients admitted to medical, surgical and trauma ICUs.
The DETECT trial is an international, parallel-group, open-label, randomised trial, which will recruit 1800 critically ill adults from over 14 hospitals in Saudi Arabia and Kuwait. Eligible patients will be allocated to twice-weekly bilateral lower limb ultrasound or usual care. The primary outcome is 90-day mortality. Secondary outcomes include lower limb proximal DVT, pulmonary embolism and clinically important bleeding. The first patient was enrolled on 21 March 2023. As of 8 April 2025, 711 patients have been enrolled from 14 centres in Saudi Arabia and Kuwait. The first interim analysis was conducted on 14 May 2025. We expect to complete recruitment by December 2026.
Institutional review boards (IRBs) of each participating institution approved the study. We plan to publish the results in peer-reviewed journals and present the findings at international critical care conferences.
Clinicaltrials.gov: NCT05112705, registered on 9-11-2021.