This article is a continuation of Sri Lankas rise to healthy nationhood published in the Daily News yesterday.
Elimination of HIV/AIDS by 2030
HIV/AIDS is a major global public health problem having claimed over 34 million lives so far. At present, around 36.7 million people globally are affected with HIV/AIDS. Today, Sri Lanka is named as a low prevalence country for HIV/AIDS.
The challenges facing HIV/AIDS in Sri Lanka
1.) Bringing down the rate of low prevalence to a point of near elimination
2.) Ensure all patients with HIV/AIDS have the right to universal healthcare
3.)Ensure all patients with HIV/AIDS lead a normal life in the community without being marginalised or discriminated by the local community
Magnitude of HIV/AIDSproblem in SL:
(Source: National STD/AIDS Control Programme, December 2017)
Target of HIV/AIDSprogramme in SL:
To reduce the prevalence from 0.01 percent to the overall goal of zero percent - target to be achieved by 2030
The fast track initiative programme, the 90-90-90 needs to identify the following.
1.) Diagnose 90 percent of population infected with HIV.
2.) Treat 90 percent diagnosed with anti viral treatment.
3.) Ensure undetectable HIV in 90 percent of patients is treated with anti viral drugs.
Prevention of HIV/AIDS
1.) Sexual education of young people is mandatory regarding sexual health, sexual responsibility and the need to practice safe sex with the use of condoms.
2.) Advising youth to engage in sexual activity with one trustworthy partner only.
3.) Screening of all pregnant mothers for HIV/AIDS.
4.) Among drug addicts - avoidance of sharing needles for injecting drugs.
5.) Advise suspected cases of HIV/AIDS to avail themselves of freely accessible STD clinics in the government sector and confirm the HIV status confidentially at no cost.
6.) Protection of the baby during pregnancy from HIV infected mothers.
REDUCING ROAD ACCIDENTS
The stark reality of road traffic accidents (RTA) in 2018 was that approximately 3,000 Sri Lankans died on roads. On average, one death occurred every three hours or eight deaths occurred daily. The government spends on each death, including basic treatment, ICU care, investigations, legal workout and post-mortem, approximately Rs. one million per victim.
The WHOs ambitious goal is to reduce the deaths from RTA by 50 percent by 2030. To ensure this, the government will have to enforce strict laws and implement them without any exception via the National Road Safety Council to ensure the countrys roads are safe for its citizens.
Analysis of fatal road traffic accidents in 2016 revealed the following information.
Total number of road traffic deaths - 2961.
This comprised 1,157 motorcyclists, 877 pedestrians, 720 motorists and 244 cyclists. These figures confirm that roads in Sri Lanka pose a serious hazard.
Consequences of road accidents
Deaths from road traffic accidents often involve the breadwinners of families at the peak of their lives. These deaths also invariably spell economic disaster for the families as all financial resources are utilised for treatment of these victims. Invariably these victims who survive from road traffic accidents are left with severe degrees of disability ranging from partial to total paralysis, totally dependent in vegetative states.
Prevention of roadtraffic accidents
1.) Primary prevention - Preventing road traffic accidents before it occurs. This includes education of the public, engineering and enforcement.
2.) Secondary prevention - management of injuries
3.) Tertiary prevention - disability limitation and rehabilitation
The way forward
All road users should act with civic responsibility and obey road rules at all times. They should not drink and drive or drive when they are tired and sleepy. The insurance premium should be increased for reckless driving. Other important measures are withdrawal of licence for six months for drunk driving and implementation of strict fines on dangerous driving without any exceptions.
The Sri Lanka Medical Association(SLMA) has already initiated a programme to increase public awareness of road traffic accidents and their consequences.
KEEPING SRI LANKA MALARIA FREE
Sri Lanka was certified malaria-free on September 5, 2016. This was exactly four years after the last endogenous case of malaria was detected in a soldier at a Sri Lanka Army camp in Mullaitivu. This was exactly 100 years after the British set up the first-ever malaria field station in Kurunegala in 1912. During this period, Sri Lanka was plagued by a devastating epidemic of malaria in 1935. This epidemic affected about 80 percent of the total population of Sri Lanka, which was five million at that time. The maternal mortality during the epidemic was 5,000 per 100,000 live births and the infant mortality rate was 458 per 1,000 live births.
Sri Lanka was free of malaria temporarily in 1963. However, unremitting vigilance was not maintained and malaria re-emerged in the late 60s. Minor epidemics of malaria occurred from 1970 to 1974 and from 1986 to 1988. During this period, 1986 to 1988, malaria was the leading cause of admission of patients to the government hospitals in Sri Lanka. This was the period that I worked at the Polonnaruwa Base Hospital where one-third of all admissions to the medical and paediatric wards comprised patients sick with malaria.
Patterns of malariaepidemics in SL
Elimination of Malaria
With the decline in cases to 124 in 2001 with global funds, the task of elimination of malaria began. This was achieved through
(1.) Integrated and targeted vector control (mosquito larvae) in major irrigation channels and agricultural projects; (2.) Adult vector control by targeted spraying in high-risk areas, indoor residual spraying and the use of long-lasting insecticide sprayed bed nets; and (3.) Parasite control with mobile clinics for active and passive case detection and treatment of patients at all levels.
Despite elimination of malaria in Sri Lanka, we remain receptive and vulnerable to reintroduction of malaria. Receptivity to malaria results from
(1.) The ecosystems of the country favouring a high prevalence of malaria mosquitoes due to suitable temperature and humidity; (2.) Presence of vectors in most parts of the country in irrigation projects, streams, quarry pits and water pools; and (3.) Real danger of a new vector Anopheles stephensi in the Northern Province imported from India. This vector would cause major epidemic of urban malaria if it reaches the Western Province.
Sri Lanka is vulnerable to the reintroduction of malaria due to the tremendous increase in the migrant population, with the possibility of importing the malaria parasite to Sri Lanka from other endemic countries and delay in the detection and treating these imported malaria cases.
These high-risk groups include
(1.) Sri Lankan gem traders travelling to Madagascar and Mozambique; (2.) Businessmen who travel to Asia and Africa; (3.) Pilgrims travelling to India; (4.) Sri Lankan security forces in foreign missions; (5.) Migrant workers, refugees and asylum seekers; and (6.) Tourists from malaria-endemic areas and Sri Lankans on leisure trips to South Africa.
There have been no indigenous cases of malaria since August 2012, confirming zero local transmission since then.
In 2018, there were 47 imported cases and one introduced case in a Sri Lankan who contracted malaria from an Indian worker in Moneragala.
An important message to doctors:
(1.) Always obtain a travel history of patients who present with fever
(2.) Perform blood tests repeatedly to confirm a diagnosis of malaria.
(3.) Remember thrombocytopenia is common not only in dengue but in malaria as well.
(4.) Always follow the national guidelines during treatment.
(5.) Inform all cases of malaria to the hotline, 011 7 626 626.
Take home message to patients:
If you develop fever after visiting a malaria-endemic area, please remind your doctor that it could be malaria.
FACING THE SOCIO-ECONOMIC CHALLENGES OF AGEING POPULATION
Sri Lanka has one of the fastest ageing populations in the world with 19 percent of population belonging to the elderly population group by 2030. ( See Table 1)
With the decrease in the birth rate and rising of the expectation of life and the geriatric population will need to shift the governments healthcare allocation funds from the pediatric to the geriatric age groups. Increase in the dependency ratio and the shrinking of the working population will consequently cause a tremendous burden on the government.
Mitigating adverse effectsof rising geriatric population
1.) Increase the retirement age and encourage older workers to remain longer in the labour force.
2.) Introduce phased out retirement schemes.
3.) Promote voluntary pro-social behaviour, craft and artistic work among the elderly.
4.) Provide support for independent living for the elderly.
5.) Adaptive transport, housing and rehabilitation.
6.) Prepare for management of age-related diseases such as NCDs, dementia, osteoporosis, osteoarthritis, and Alzheimers disease.
7.) Establishment of day care centres, psychogeriatric clinics, dementia care centres etc.
People living longer and leading productive lives is the crowning achievement of our health services. It is certainly a challenge which must be properly planned and executed. Our aim should be to add life to years and not years to life and to enter the silver age, healthy and productive.
REDUCING BURDEN OF CKDU
In the history of our nation, spanning over 2500 years, agriculture and the paddy farmer have had a special bearing on our economy. It is believed that the migration of Rajarata from Anuradhapura to Polonnaruwa and subsequently to Dambadeniya resulted from the devastating effects of malaria in these kingdoms. Today, the high prevalence of CKDu in the North-Central Province (NCP) has nearly crippled this agricultural heartland, causing a steady outmigration of people and is slowly but surely destroying the agricultural-based civilisation of our country.
The following data highlight the stark reality of this malady.
1.) The age-standardised prevalence of CKDu is 15 percent.
2.) A population of 500,000 is at risk in the NCP namely Medawachchiya, Padavi Sripura and Weli Oya areas
3.) Numbers severely affected with CKDu fearing death is 75,000
4.) Estimated death toll so far is 24,000
5.) Estimated daily deaths are two per day
In 2009, the following were defined as criteria for case definition of CKDu.
1.) No past history of or current treatment for diabetes, chronic hypertension, snakebite or urological disease of known aetiology or glomerulonephritis.
2.) Normal glycosylated haemoglobin (HBA1C) level is below 6.5.
3.) For blood pressure below 160 by 100 mm untreated or blood pressure below 140 by 90 mm mercury up to two hypotensive drugs used (The Health Ministry, 2019).
Main features of CKDu include an insidious onset, slowly progressive chronic interstitial nephritis which predominantly affects, poor rural male farmers in agrochemical intense form of cultivation. The heavy sun exposure in these areas leads to increased sweating. This factor, along with reduced water intake leading to dehydration further aggravate this toxic nephropathy with unique geographical distribution which appeared in Sri Lanka in the mid-1990s. CKDu has been associated strongly with the following factors.
1.) Consumption of hard water containing magnesium and calcium
2.) Spraying of glyphosate (Roundup), the most widely used herbicide in disease-endemic areas with unique metal chelating properties.
3. Use of fertilizers with heavy metals (E.g., arsenic lead, cadmium and chromium)
The above interactions result in the formation of glyphosate metal (GM) complexes. Drinking hard water with the GM complex and subsequent absorption to the circulation leads to high levels reaching the kidney. In the kidney, high concentration of ammonium, NH4 plus ions, releases the heavy metals from the GMA lattice in the proximate tubular areas. When the lattice is broken, it releases metals such as arsenic which damage the glomeruli and leads to glomerulosclerosis and subsequent collapse while arsenic, cadmium, chromium and the other heavy metals cause proximal tubular damage leading to chronic interstitial nephritis.
All these factors associated with agriculture have resulted in change of the name of CKDu to Chronic Interstitial Nephritis of Agricultural Communities (CINAC).
(Source: Int. J. Res. Public Health 2013, Page 2137. C.N. Jayasumana et al.)
Prevention of CKDu/CINAC
1.) Fast track provision of safe water to communities living in affected areas -
Provision of reverse osmosis water purifiers at community levels in common places
(e.g., markets, community centres, temples, pradeshiya sabha grounds)
2.) Provision of safe water for schoolchildren by installing water filters in schools in the affected areas.
3.) Minimise the use of agro chemicals herbicides and weedicides
4.) Avoid the use of chemical fertilizers
5.) Encourage farmers to engage in traditional methods of agriculture by using compost
6.) Population screening and surveillance for early detection of CINAC
It has now been proved beyond doubt that reverse osmosis by water purifiers is the only effective answer to prevent CKD/CINAC. Reverse osmosis removes all suspected causative elements of this malady (e.g., removes arsenic, cadmium, glyphosate, fluoride, calcium and magnesium) Reverse osmosis is therefore the only effective answer to prevent CINAC.
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