The pattern of symptoms in patients receiving home based care in Bangwe, Malawi : a descriptive study
© Bowie et al; licensee BioMed Central Ltd. 2006
Received: 21 March 2005
Accepted: 10 February 2006
Published: 10 February 2006
Home based care of HIV/AIDS patients is a health need recommended but not often available in Africa. Population based assessment helps to identify unmet health needs to plan services. Careful assessment and follow up of patients receiving home based care in a defined population of Bangwe, Malawi provides details of the frequency and severity of common symptoms.
Mortality and the incidence, duration and severity of common symptoms of patients in a defined population receiving home based care were measured over an eighteen month period.
358 patients, of whom 199 died, were studied. A third of patients died within 4 months of being first seen. About half the patients were unable to care for themselves on first assessment. Half were malnourished with a Body Mass Index (BMI) < 18.5 kg/m2. Most patients had a mixture of symptoms at presentation. These symptoms responded to treatment usually within a fortnight. However a small proportion (5%) of patients suffered repeated episodes often as many as 6–9 times a year. Incidence rates are estimated.
Symptoms which are alleviated by simple treatments are common. The patients in whom symptoms recur need a responsive home based care service. Population based estimates of incidence and duration of disease and the visit work load allow an assessment of home based care needs in an urban setting in Africa.
Home based care of people living with AIDS is an established component of the continuum of care and support advocated by WHO and UNAIDS  and planned by many African countries including Malawi . The pattern of health problems as the disease progresses will vary from one population to another . An understanding of the incidence and duration of common illnesses helps to assess the needs of communities for home based care .
The Bangwe project is a joint home based care (HBC) project run by the Salvation Army and the Department of Community Health, College of Medicine, University of Malawi. While providing a standard HBC service to the people of Bangwe, a township of 40,000 people adjacent to the town of Limbe near Blantyre, the opportunity is taken to collect data on the health problems of patients, their response to treatment and their nutritional status. Antiretroviral drugs were not being used during the study period, which was a time before antiretroviral therapy became available free of charge in Malawi.
The project has been collecting patient data since January 2003. The project has been assessing the value of the national standard treatments for home based care as promulgated by the National AIDS Commission (NAC), and simultaneously assessing the effect of supplementary feeding for the World Food Programme (WFP) .
This report summarises the results of 18 months work assessing clinical care and patient careers. It is an example of operations research in "standard" health care on offer in Malawi. The detailed records kept and transferred to a database allow detailed analysis of the natural history of patients enrolled in a home based care scheme and the responses to treatment of basic palliative care and simple treatments of opportunistic infections common in people with terminal AIDS. The report does not encompass other equally important aspects of support and counselling provided by the team and community volunteers, which have been described in the Southern African context [6, 7].
The frequency and severity of symptoms reported by people with HIV/AIDS has been published in various settings. A study of HIV patients receiving home based care in New York in 1991 before the advent of Highly Active Antiretroviral Therapy (HAART) found the frequently observed signs and symptoms included dyspnoea, weakness, fatigue/lethargy, pain, ataxia, cough, skin lesions, and memory deficit . Holzemer reports the results of a US national survey of people living with HIV/AIDS after the introduction of HAART when the commonest symptoms were anxiety and fear (17.3%), diarrhoea (16%), peripheral neuropathy (11.6%), nausea and vomiting (9.7%), depression (8.1%) and fatigue (7%) . He reports that greater frequency and intensity of symptoms leads to a lower quality of life.
The study population has been well demarcated which allows estimates of disease frequencies, severity levels of symptoms, rates of recurrences and unmet need rates and the duration of episodes. These can be used to extrapolate for planning purposes.
The study area is comprised of four villages in Bangwe with an estimated population of 23,044 at the last census taken in 1998, and now thought to have grown to 26,500 based on a census carried out in part of the area in 2003 which found a population growth of 15% in the five years since the national census. Antenatal HIV seroprevalence was 28% in Limbe in 2003.
The home based care project forms part of a Salvation Army HIV/AIDS Community project which encompasses community action concerning prevention, orphan care and home based care. For the home based care, community volunteers are recruited and trained in basic home based care as devised by the NAC. There are usually two home based care volunteers for each village. They identify people who may need home based care, and if requested, refer the patient to the home based care team. They accompany the member of the team to see the patient, offer to undertake support tasks if the patient has no carer, and do follow up visits to assess progress and future needs.
The team, two nurses and two home based care assistants, supported by the Department of Community Health of the College of Medicine, provides the clinical care in line with national guidelines. An initial assessment form [Additional file 1] listing the common symptoms and signs is completed by the nurse at the first visit. The form includes, for instance, detailed information about site and severity of pain using a visual analogue scale, which together with the type of pain is used by the nurse to assess the care needs of the patient. When pain is severe at the first visit, the patient is given enough non opioid analgesia until the next planned visit. The patients who do not respond to non opioid analgesia are given morphine.
Patients are followed up usually weekly or fortnightly after initial assessment depending on patient's needs and a follow up form is completed. The site, type and severity of pain are monitored at every visit, though nurse records are not entered into the data file (due to resource constraints).
Each nurse carries a standard kit containing dressings and drugs and these are dispensed free of charge. Where neuropathic pain is present a combination of Brufen and Amitriptyline is given. Where there is possible Isoniazid induced peripheral neuropathy a therapeutic dose of Pyridoxine is given for 2–3 weeks followed by a low continuation dose.
Two particular drugs (loperamide and amytriptyline) were introduced into the kit and made available in the course of the study. The opportunity has been taken to compare the responses to these two drugs to the standard treatment used before their introduction (analgesics for neuropathic pain and codeine phosphate for diarrhoea).
Data have been collected since the project started in January 2003 from information collected at the time of initial assessment and at follow up visits of individual patients. Inclusion criteria are that patients are aged between 15 and 50 years with chronic disease of more than a month, and in need of home based care. Data were entered once onto an excel spreadsheet, checked and SPSS used for routine statistical analysis.
Clinical staging of HIV/AIDS is based on current WHO guidelines . The severity of pain at different sites was assessed using a visual analogue scale of 1 to 10, with 1 being mild and 10 severe. A pain score of 1 to 4 was classified as mild, 5 to 7 as moderate and 8 to 10 as severe.
This study was an audit of standard care and as such did not require ethics research committee approval.
A slight majority of patients (52%) are married, a third (35%) are either divorced or widowed and 13% single, which may compromise household caring capacity. The average number of people in the households was 5.4 of who 1.2 were children under 5 years of age.
A household census of part of the area carried out in 2003 found 7.8 per 1000 aged between 13–49 years were chronically sick (for more than a month). This equates to 205 chronically sick of this age group living in the study area. At the time of the census 142 patients had been enrolled into the HBC service of which 97 were still alive. It appears that about half the chronic sick in the study area were enrolled at the time.
Voluntary counselling and testing (VCT) is becoming more popular. Of the home based patients seen at first assessment a quarter (25%) had been tested. Just over half (54%) of those tested reported a positive test. This may be an underestimate due to the test being carried out before infection, or due to incorrect result recall perhaps due to stigma attached to HIV status? Clinical assessment suggests that 95% of patients have AIDS related disease. A majority who had not had a test said they wanted to have one. VCT became available at the local health centre towards the end of the study period.
Treatment prior to assessment
TB had been treated in 31% of patients who had been diagnosed on average 99 days before being seen by the home based care team. Many (41% of) patients had tried traditional medicine. Over half had been in hospital in the previous 5 years. For these the average number of admissions was 2.3 in the last five years and the estimated length of stay was 23 days.
The estimated cost of drugs bought in the previous four weeks was 452 kwacha ($5). These were mainly obtained either from hospital (40%) or from street vendors (39%).
Clinical staging and nutritional status
Most patients have HIV/AIDS and less than 5% have other chronic conditions such as paraplegia. The majority of patients presented in an advanced stage of disease, with 70% in WHO stage 4, 25% in stage 3 and 5% in stage 2. None presented with WHO stage 1 disease.
Activities of daily living
Activities of daily living of patients on first enrolment in home based care service
Activity of daily living question
Number saying "yes"
Able to continue normal activity?
Able to leave house?
Needs help for normal living?
Needs help with washing?
Needs help with dressing?
Needs help with eating?
Needs help with walking?
Needs help with toilet?
The number, frequency duration, severity of presenting symptoms of patients at initial assessment by the home based care service
Symptom on first presentation
Number and Percentage of patients with symptoma
Duration of symptoms prior to presentation in daysa
Persistence of symptom after treatment dispensed at time of initial assessment in daysb
Frequency of recurring symptom per yearb
Shortness of breath
Lower limb pain
Nausea or vomiting
SOB doing nothing
Presence of pain at any site at initial assessment by the home based care service
Presence and severity of pain at any site
Number (n = 360)
Data on the duration of symptom prior to assessment were only collected for fever, cough and diarrhoea. While the usual episode had only been present for a few days, a few (10%) had suffered the symptoms for over a month.
While treatment was effective in alleviating symptoms usually within a fortnight, a quarter took 3–6 weeks and a small number (5%) of patients' symptoms were unresponsive to the treatment on offer for over 6 months. Itchy rash, headache and chest pain were particularly obdurate.
While the majority of patients had recurrent episodes of their presenting symptoms twice in a year, a small number (5%) had repeat episodes about every 6 weeks.
Selected specific treatments
Neuropathic pain associated with peripheral neuropathy is a particularly persistent symptom, usually of the lower limb. Amitriptyline was introduced in September 2003 and is given along with analgesics for this symptom. The duration of initial episode of this symptom was less once amitriptyline was used in combination with a analgesic, though not statistically significant, reducing from a mean duration of 78 to 59 days, and a reduction in recurrences from 2.7 to 1.9 episodes per year.
Response times to treatment and recurrences of diarrhoea
95% confidence interval for mean
Duration of first episode in days
Both codeine phosphate and loperamide
Episodes per year
Both codeine phosphate and loperamide
Home based care team workload
patient visits in 18 months
Type of visit
Follow up visit
Total follow up
Workload of home based care
18 month study period
12 months equivalent number
Visit rate per 1000 total population
Follow up visits
The morbidity and mortality of this group of patients is high. The vast majority were not receiving antiretroviral therapy. The results provide a measure of the morbidity and mortality of AIDS without such therapy. Needs are high with multiple symptoms presenting on enrolment and a number of symptoms recurring. Although some patients die soon after being seen for the first time, others survive with need for long term clinical care and palliative therapy. The range and frequency of symptoms are not unexpected, and similar to pre-HAART care elsewhere. For instance 84% of patients reported moderate or severe pain on first assessment. This can be compared to the experience in Uganda where 80% of cancer patients reported pain . The prevalence of substantial pain is higher than found in other African countries such as the estimate (25%) provided for HIV/AIDS patients in Uganda. Although most respond to non-opioids or an NSAID, some require an opioid (codeine phosphate). However codeine phosphate is expensive and often unobtainable and morphine becomes the drug of choice. At any one time there are usually one or two patients on morphine. Unfortunately, the use of morphine has its limitations in urban settings such as Bangwe. The administration of oral morphine can be difficult to manage and monitor. Households seldom have a clock or watch. The concept of regular, 4 hourly dosage is difficult to understand and remember. Guardians are suspicious of liquid morphine and a syringe and often stop giving it. HBC volunteers are unable or unwilling to visit more than once a day if carers are unable or unwilling to give the drug. Oral morphine has a short shelf life. A morphine modified release preparation (MST), although currently expensive, would be a useful alternative in certain situations if a cheap formulation was available.
Simple treatment of opportunistic infections seems to be effective for most but not all symptoms. The majority of symptoms continue for about a fortnight so it is appropriate to prescribe adequate quantities of drugs to last this time. Weekly visits are required for patients requiring palliative care or those with severe infections and the visits continue until symptoms are controlled. Repeat episodes after treatment tend to last shorter than the duration of the symptom before treatment. Recurrences are not usual but do occur in a few patients. The role of the community volunteer in identifying these patients is therefore important.
Issues of nutrition are considered in a parallel paper . Moderate and severe malnutrition are common but food supplementation as offered by the WFP does not seem to help survival, nutritional status or symptoms. Clearly, like terminally ill patients in Uganda  and South Africa , other needs are prevalent with food being only one. Income relief is probably more appropriate than just food in urban settings, and this needs to be studied.
The census undertaken in part of the study population area indicates that about half those with chronic illness will request help from the home based care team. Some will not seek help for a variety of reasons. The better the community volunteers, the better the coverage. For planning purposes it is reasonable to assume a similar proportion will not need or seek such care. The rates which apply in Bangwe can be used with confidence for planning home based care services in urban areas in Malawi and countries with similar HIV prevalence.
The need for home based care is confirmed at a level which is not currently provided in most of Malawi. Symptoms are common, can last a considerable time in a small proportion of patients and can usually be alleviated using simple treatment. The study provides a baseline of the pattern of the disease which can be used to assess the effect of antiretroviral therapy as it becomes more widely available.
The authors would like to acknowledge the assistance of F Mlandu, G Duwah and M Kalua of the Salvation Army Bangwe Project, patients and their families and the community home based care volunteers without who the project and survey would not have been possible. The project is supported by the College of Medicine, University of Malawi, the National AIDS Commission and the World Food Programme.
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