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Page 2 of 5  Original Research


              The initial (induction phase) management of HIV/CCM   history of previous CCM, data of concurrent tuberculosis
              requires the following: (1) combination antifungal therapy   (TB) and details of the index admission. Patients’ folders
              including IV amphotericin B and oral flucytosine (first week   were  checked for the results  of  therapeutic  LPs  and  to
              only) and high-dose oral fluconazole 1200 mg daily (second   document the indications for the procedure. The National
              week), after that an 8-week consolidation phase of oral   Health Laboratory Services (NHLS) computer records
              fluconazole 800 mg daily, (2) control of raised intracranial   were accessed for admission bloods, CD4 count, HIV viral
              pressure (rIP) with therapeutic  lumbar punctures (LPs) to   load (VL) and CSF results. Identifying patient material
              maintain the ‘opening-pressure’ (CSF-OP) at < 25 cm of water   was anonymised at the time of the collection and storage
              and (3)  minimising the risk of immune reconstitution   of data.
              inflammatory syndrome (IRIS) by delaying the initiation of
              ART until 4 to 6 weeks after the start of antifungal   Statistical analysis
              therapy. 8,9,10,11,12
                                                                    Continuous variables are reported as mean (± standard
                                                                    deviation, [s.d.]) when normally distributed and as median
              In the absence of a spinal manometer, the SA guidelines for
              the prevention, diagnosis and management of CCM       (interquartile range, IQR) when not normally distributed.
              recommend performing an LP to remove 20 mL – 30 mL of   Discrete data are presented as number and percentages.
                                                             12
              CSF if the symptoms and signs of rIP are present.     Pearson’s chi-square test and corresponding 95%
                                                                    Confidence  Intervals  (CI) were  used to calculate  the
              However, in clinical practise only 23%  – 30% of CCM   mortality difference between the study and comparator
              patients with signs and symptoms receive ‘therapeutic’   groups. A p-value of < 0.05 defined significance. Patients
              LPs. 13,14  A symptom guided approach has the potential to   who died or left hospital  within the first 7 days were
              miss asymptomatic patients who might benefit from     excluded from the mortality analysis. Statistical analyses
              therapeutic LPs.                                      were performed by using IBM SPSS Statistics for Macintosh
                                                                    version 24.0.
              We hypothesised that four or more LPs in the first 7 days of
              treatment could facilitate CSF drainage and reduce in-
              hospital mortality in PLWH and HIV/CCM in a resource   Ethical consideration
              constrained setting where there are no spinal manometers.   Approval to conduct the study was obtained from Walter
              We, therefore, conducted a single centre retrospective   Sisulu  University  Human Research Committee.  Ethical
              cohort study to determine the impact on in-hospital   clearance number: 027/2018.
              mortality of four or more LPs in the first 7 days of antifungal
              therapy compared with PLWH/CCM who received fewer     Results
              than four LPs.
                                                                    Clinical characteristics of the study population
              Methods                                               From  01  January  2016  to  31  December  2016,  a  total  of
              Study design                                          116 patients received a diagnosis of CCM. After exclusion of
                                                                    11 (two were younger than 18 years, two had missing hospital
              The study was designed as a retrospective cohort review of   files/records and seven demised or left the hospital before
              PLWH/CCM admitted to the department of medicine at the   7  days  of  hospitalisation),  105  patients  were  available  for
              Dora Nginza Hospital from 01 January 2016 to 31 December   study analysis (Figure 1).
              2016. The Dora Nginza Hospital is a district hospital located
              in the Zwide township of the Nelson Mandela Bay       The mean age of patients was 39.4 (s.d. ± 9.7) years. A total of
              Municipality (Port Elizabeth), SA. The Nelson Mandela Bay   65.2% were male. All the patients were PLWH and had a
              region has a population of 1 152 115 and an unemployment   median CD4 count = 37 (IQR, 13–77) cells/µL. Human
                         15
              rate of 36.6%.  The internal medicine department consists
              of a 120-bed unit  without  access to intensive or high care
              services and  with limited access to radiological imaging   116 patients diagnosed and
              apart from plain chest radiography.                        treated for CCM from
                                                                       01/01/2016 – 31/12/2016
              Study population                                                                  Excluded patients
                                                                                          2 patients younger than 18 years of age
              Clinical notes, discharge summaries and death notification                     2 patients with missing files
              registries were reviewed to identify patients who received a               7 patients who demised or left the hospital
                                                                                                 before 7 days
              primary or secondary diagnosis of CCM.
                                                                        105 patients available for
              Data collection                                             the final analysis
              A standardised data collection form was prepared. This   CCM, cryptococcal meningitis.
              included patient demographic details, comorbidities,   FIGURE 1: Flow diagram showing patients enrollment in the study.

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