BACKGROUND: This article aims to characterise hospital admissions involving opioid toxicity across South Australia to guide future implementation and evaluation of risk mitigation strategies.
METHODS: International Classification of Diseases, 10th Edition codes (T40.0-T40.4) were used to identify admissions involving pre-hospital opioid toxicity in public hospitals across South Australia from 1 June 2017 to 30 August 2020. Demographic and episode of care data were extracted and summarised using descriptive statistics. Admission cost estimates were calculated using Independent Hospital Pricing Authority data.
RESULTS: A total of 2046 cases met the criteria for inclusion; over half (56%) were female and median age on admission was 44 years (interquartile range 27 years). Where opioid toxicity was the primary diagnosis, 70% of admissions did not specify the responsible opioid and 23% were related to heroin use. One-fifth of admissions occurred outside of metropolitan Adelaide. Individuals living in an area of relative socio-economic disadvantage were over-represented. Over half of admissions required a stay >24 h; 19% were admitted for ≥5 days, 22% required intensive care and ~10% required mechanical ventilation. The total estimated cost of admissions involving opioid toxicity in South Australia over the 3-year period was $18,230,546.50, equating to $5.6 million per annum.
CONCLUSIONS: These findings highlight the significant personal, fiscal, and systemic impacts of opioid toxicity-related hospital admissions in South Australia and provide a baseline to evaluate the effectiveness of initiatives to reduce opioid-related harm, including real-time prescription monitoring and take-home naloxone supply.

A total of 235 vials of nematodes held in the Australian Helminthological Collection of the South Australian Museum from 125 individuals of Isoodon macrourus were examined. The nematode assemblage of I. macrourus, comprising 12 families, including 16 genera and 23 identified species, was compared with the sympatric bandicoot species Perameles nasuta, 20 identified species (Sorensen\'s index of similarity 0.56) and P. pallescens, 12 identified species (Sorensen\'s index 0.51). Sprattellus cassonei n. sp. is distinguished from its congeners by having a synlophe with 7-8 ridges with the anterior ventral ridges interrupted, the morphology of the dorsal ray and the branching of the spicule tips. A single male specimen identified as Linstowinema sp. 1. is characterised by seven circles of body hooks, the oesophagus terminating at the level of the seventh circle and robust scale-like spines on the posterior ventral body. A complete description of the species will require additional material, including females. Difficulties in identifying individuals of the genus Mackerrastrongylus to species level are discussed. Overall similarities in the nematode assemblages of the three bandicoot hosts are likely due to shared relationships and similar behaviours.

Procedures, such as immunisation and venepuncture, can be distressing for paediatric patients, especially those with needle phobia and neurodevelopmental disorders. Procedural sedation helps provide access to equitable health care in this population. The aim of this study was to evaluate the pilot outpatient procedural sedation clinics at the Women\'s and Children\'s Hospital and the impact on patient care and outcomes.
A prospective review was undertaken between July 2021 and May 2022 on all patients who attended the procedural sedation clinics at the Women\'s and Children\'s Hospital. These clinics were the COVID Specialist Immunisation Sedation Clinic (SISC) and Paediatric Sedation Clinic (PSC).
There were 182 visits in a total of 110 children with a 92% primary procedure success rate. Sixty-three per cent of patients had neurodevelopmental disorders with autism spectrum disorder being most common. There was a significant reduction in anxiety scores pre- and post-sedation and a reduction in anxiety scores if patients were to return without the use of sedation.
Outpatient procedural sedation is beneficial for a specific cohort of the paediatric population. This can also have a significant positive impact on patient care and potentially, long-term outcomes.

Unplanned return to theatre (URTT) is associated with longer hospital stay and higher mortality rates, placing extra burden on hospital resources. There is a lack of literature analysing causes of URTT in a rural general surgery department. This knowledge may be important to help identify patients at risk of URTT. This study aims to identify causes of URTT in rural general surgical patients.
This is a retrospective multicenter cohort involving four rural South Australian (SA) hospitals: Mount Gambier (MGH), Whyalla (WH), Port Augusta (PAH), and Port Lincoln (PLH). All general surgical inpatients admitted from February 2014 to March 2020 were analysed to identify all-cause of URTT.
Of the 44 191 surgical procedures performed, there were 67 (0.15%) URTT. The most common surgical subspecialty cases that resulted in URTT were Colorectal (47.1%), General surgery (33.2%) Plastics (9.8%), and Hepatopancreatico-biliary (3.9%). The three commonest operations during URTT were washouts 22 (32.8%), interventions for haemostasis 11 (16.4%) and bowel resections 9 (13.4%). Sixteen (24%) of URTT followed emergency surgery. When comparing between elective and emergency admissions needing URTT, there were no statistical difference in age, gender, speciality type, types of surgery performed, and median number of days until URTT.
Rates of URTT are low in South Australian rural hospitals when compared to our overseas counterpart. A wide range of surgery is being performed in rural centres, further supporting the need for rural surgical trainees to have a tailored curriculum encompassing subspecialities and being competent in managing any potential complications.

There is a shortage of surgeons caring for the 33% of Australians residing in rural and regional areas. In order to help appreciate what rural general surgery entails and optimize training for aspiring rural surgeons, the aim of this study was to analyse the general surgical departments\' procedural caseload and casemix in four rural South Australian hospitals.
This is a retrospective multi-centre study involving four rural surgical centres in South Australia (Mt Gambier, Whyalla, Port Augusta, and Port Lincoln). Surgical procedures performed from 2014-2020 were extracted from departmental audits. To identify trends of surgical procedure over time, the data was divided into three time periods (Period 1: February 2014-December 2015, Period 2: January 2016-December 2017, Period 3: January 2018-March 2020).
A total of 44 191 surgical procedures were performed, 70.2% being day procedures. 54% were endoscopic procedures, 46% were operative procedures. 60.6% of the operative procedures were general surgery procedures. 28.5% were general surgery-based subspecialty (colorectal, hepato-pancreato-biliary, upper gastrointestinal, and breast). 10.9% were non-general surgery-based subspecialty (urology, plastics, vascular, orthopaedics, head and neck, and obstetrics and gynaecology). There were no statistically significant fluctuations in procedure caseload in all aspects (endoscopic and operative procedures) over the three time periods.
The majority of a rural Australian general surgeon\'s procedures are endoscopic. Operative procedures are mainly general surgery based. It may be beneficial to equip aspiring rural general surgeons to manage basic non-general surgery procedures (urological, vascular, and orthopaedic).

One-third of Australia\'s population reside in rural and remote areas. This audit aims to describe all-causes of mortality in rural general surgical patients, and identify areas of improvement.
This is a retrospective multi-centre study involving four South Australian hospitals (Mt Gambier, Whyalla, Port Augusta, and Port Lincoln). All general surgical inpatients admitted from June 2014 to September 2019 were analysed to identify all-cause of mortality.
A total of 80 mortalities were recorded out of 26 996 admissions. The overall mortality rate of 0.3% was the same as the 2020 Victorian state-wide Audit of Surgical Mortality. No mortality was secondary to trauma. Mean age was 79 ± 11 years and ASA was 3.9 ± 1. Malignancy was associated in over a third of cases (41.2%), mostly colorectal and pancreatic. Most cases were related to general surgical subspecialties: colorectal (51.3%), upper gastrointestinal (21.3%), hepatopancreaticobiliary (13.8%); however, there were also vascular (6.3%) and urology (3.8%) cases. The most common causes of mortality were large bowel obstruction (13.4%), ischemic bowel (10.4%), and small bowel obstruction (7.5%). Majority of mortality were beyond the surgeon\'s control (73.8%). Of the 21 potentially preventable mortalities, 42.9% were attributed to aspiration pneumonia and decompensated heart failure. Only one (1.3%) mortality case was due to pulmonary embolism.
Rural general surgical mortalities occur in older, comorbid patients. Rural surgeons should be equipped to manage basic subspeciality conditions. To further reduce mortalities, clear protocols to prevent aspiration pneumonia and resuscitation associated fluid overload are needed.

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Objective The South Australian Medicines Evaluation Panel (SAMEP) was established in 2011 to make evidence-based recommendations on the funding of high-cost medicines in South Australian public hospitals via a high-cost medicines formulary. SAMEP represents one component of South Australia\'s process for state-based health technology assessment (HTA). The aim of this study was to describe the experience of SAMEP in the context of Australia\'s complex governance model for hospital-based care. Methods A retrospective review was conducted of the SAMEP process and outcomes of medicine evaluations. Decision summaries and meeting minutes were reviewed and reflected upon by the authors to explore the views of the SAMEP membership regarding the function of the committee and state-based HTA more broadly. Results SAMEP has reviewed 29 applications, with 14 (48%) listed on the high-cost medicines formulary. Three applications have been the subject of outcome review and confirm expectations of patient benefit. Conclusion Retrospective review of the committee experience suggests that state-based HTA as operationalised by SAMEP is feasible, provides greater equity of access to high-cost medicines in the South Australian public hospital system and allows for access with evidence development. What is known about the topic? State-based hospital funders often need to make decisions on the provision of high-cost medicines for which there is no national guidance or subsidy. Little published information exists about state-based approaches to medicines evaluation and reimbursement within public hospitals in Australia. What does this paper add? The South Australian experience demonstrates a method for states and territories to tackle the challenges of providing evidence-based access to high-cost medicines in Australian public hospitals. What are the implications for practitioners? This paper provides information for other jurisdictions considering state-based approaches to medicines evaluation and contributes to the broader literature about state-based HTA in Australia.

The files of the Pathology section of F Forensic Science South Australia (FSSA) Adelaide, Australia were examined over a seven-year period from January 2013 to December 2019 for all cases where skeletal remains had been submitted for assessment. There were 150 cases comprising 79 non-human (53%), 49 traditional Australian Aboriginal (33%) and 12 Coronial (8%). The remaining cases included anatomically prepared skeletal remains or other historic remains, and four cases which were subsequently determined to be non-osseous. The large number of domestic animal bones found reflects the agricultural nature of much of the state in addition to historical urban butchering practices. The next largest category was that of indigenous remains associated with the long history of Aboriginal occupation. Established protocols ensure that this culturally-sensitive skeletal material is passed on to the appropriate traditional community leaders. This study shows the unique range of skeletal materials that is currently being forensically assessed in South Australia and the varied medicolegal implications of each category.