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   Table of Contents      
PERSPECTIVE
Year : 2020  |  Volume : 68  |  Issue : 13  |  Page : 108-114

Operational guidelines for ROP in India: A summary


1 Associate Professor, Health Policy and Management, India ROP Partners Implementation Consortium, Indian Institute of Public Health, Hyderabad, India
2 Associate Professor, Health Policy and Management, India ROP Partners Implementation Consortium, Indian Institute of Public Health, Hyderabad, India; International Centre for Eye Health, Department of Clinical Research, London School Hygiene & Tropical Medicine, London, UK
3 International Centre for Eye Health, Department of Clinical Research, London School Hygiene & Tropical Medicine, London, UK

Date of Submission08-Oct-2019
Date of Acceptance23-Oct-2019
Date of Web Publication17-Jan-2020

Correspondence Address:
Dr. Rajan Shukla
Indian Institute of Public Health Hyderabad, Plot # 1, A N V Arcade, Amar Co-operative Society, Kavuri Hills, Madhapur, Hyderabad - 500 033, Telangana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijo.IJO_1827_19

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  Abstract 


Retinopathy of Prematurity (ROP) is a potentially blinding disease of the eye that can affect infants born four or more weeks preterm and have received intensive neonatal care. ROP is a dynamic, time-bound disease that is not present at birth. Preventing visual loss from ROP in India requires scaling up services for screening and treatment for ROP to match the exponential growth in neonatal intensive care in India and other low- and middle-income countries. Operational guidelines for prevention of visual loss from ROP will facilitate rapid scale up of services, by identifying key players and their roles and responsibility in the Indian context. The guidelines recommend broad eligibility criteria for screening (gestational age ≤34 weeks, birth weight ≤2000 gms) as the special newborn care unit (SNCU) have varying quality of neonatal care. Treatment is based on the early treatment for retinopathy of prematurity (ET-ROP) study treatment criteria. The screening criteria could be revisited when more contextual evidence on the risk of ROP is available in India.

Keywords: India, operational guidelines, preterm infants, retinopathy of prematurity


How to cite this article:
Shukla R, Murthy G V, Gilbert C, Vidyadhar B, Mukpalkar S. Operational guidelines for ROP in India: A summary. Indian J Ophthalmol 2020;68, Suppl S1:108-14

How to cite this URL:
Shukla R, Murthy G V, Gilbert C, Vidyadhar B, Mukpalkar S. Operational guidelines for ROP in India: A summary. Indian J Ophthalmol [serial online] 2020 [cited 2020 Feb 28];68, Suppl S1:108-14. Available from: http://www.ijo.in/text.asp?2020/68/13/108/275720



Retinopathy of Prematurity (ROP) is a potentially blinding disease of the eye that could affect infants born four or more weeks preterm and have received intensive neonatal care.[1],[2] ROP is a dynamic, time-bound disease that is not present at birth. The risk of severe, sight-threatening ROP (ST-ROP), which is higher in more preterm infants, can be reduced by quality improvement measures that reduce exposure to known risk factors such as poorly administered supplemental oxygen, sepsis and poor weight gain after birth. Early detection of ST-ROP, followed by urgent laser treatment, is highly effective in preserving the sight of the babies.[3]

ROP is emerging as a leading cause of avoidable childhood blindness in India and other low- and middle-income countries (LMIC).[2],[4] Strengthening of efforts by Ministries of Health over the last two decades to reduce neonatal mortality as part of the millennium development goals (MDG) and the sustainable development goals (SDG) have not only improved survival of the preterm babies, but has also increased the number of babies at risk of blindness from ROP.[5],[6] It is imperative to integrate ROP services with newborn and child health services to ensure healthy survival of preterm infants. This requires that all neonatal intensive care units have a system in place to screen and treat ROP to save sight. If detected late or untreated, severe sequelae can result in irreversible blindness and all the psychosocial, educational and economic implications.[7] The minimum necessity is that all babies at risk of ST-ROP are screened and treated.

All eligible preterm infants admitted to special newborn care units (SNCUs) need retina screening because up to 15% develop ST-ROP [8] and these babies need urgent laser treatment by an ophthalmologists trained in the procedure. Laser treatment if applied well and in time is highly effective at preserving sight. The exponential increase in services for preterm infants in India calls for an urgent need to expand ROP programs in facilities where the majority of preterm infants receive care.[9] Three major programs cover the range of services for prevention of blindness from ROP in India. They are Child Health, Ministry of Health and Family Welfare; Rashtriya Bal Swasth Karyakram [10] (RBSK) and National Programme for Control of Blindness and Visual Impairment [11] (NPCB and VI). SNCUs under child health are accountable for healthy survival of all preterm children under their care and follow them for a period of two years to ensure healthy development. RBSK, launched in 2013, covers early detection and management of 4 'D's- defects at birth, diseases of childhood, deficiencies and developmental delays- covering 29 conditions including ROP. NPCB and VI is responsible for strengthening the public eye health system for screening and treatment of ROP.

The operational guidelines were developed to facilitate scaling up of services for screening and treatment of ROP in public and private sectors. Adherence to the guidelines will also strengthen existing ROP screening services. The salient features of the guidelines are presented in this paper. Complete ROP screening operational guidelines are available at https://drropindia.org/retinopathy-of-prematurity/policy-makers-rop/#operationalguidelines.

Process

A national group of experts representing neonatal care, eye care, public health experts and program managers (Child health, RBSK, NPCB and VI), were commissioned by the National ROP Task Force to develop the ROP operational guidelines. The group met multiple times and interacted through emails to undertake multiple revisions to finalize the guidelines. The national expert group considered several factors in preparing the guidelines such as reviewing guidelines from other countries, integration of ROP services into the existing child care programs, the variation in the quality of neonatal care in different levels/regions and evidence of bigger babies presenting with Stage 4 or stage 5 ROP in tertiary eye care centers across India.[12],[13]

Factors that increase the risk of ROP

In addition to preterm birth, exposure to excessive oxygen is major risk factor for ST-ROP. Other risk factors include sepsis, intra-ventricular hemorrhage, respiratory distress, failure to gain weight and blood transfusions, while breast feeding and kangaroo mother care reduce the risk of STROP. Interventions which reduce the risk of ST-ROP are also key components of high quality neonatal care and are covered under facility based newborn care guidelines.[14] Indeed, the incidence of ST-ROP can be a good indicator to monitor the overall quality of neonatal care in addition to mortality rates, which has been recognized by WHO.[14]


  Results Top


The guideline development group developed India-specific strategies [Figure 1] and protocols to implement ROP services in the country. These guidelines define the roles and responsibilities [Table 1] of the three major national programs at national, state [Figure 2] and health facility level [Table 2] to improve coordination for efficient service delivery. The guidelines also emphasize the need to generate greater awareness about ROP and its risk factors among a wide range of stakeholders. The guidelines also identify the need to build the capacity of several different cadres for screening and treatment of ROP. The key recommendations in the ROP operational guidelines are shown below [Figure 3], [Figure 4], [Figure 5].
Figure 1: Strategies for control of visual loss from ROP

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Figure 2: Roles of NHM Child Health, NPCB and RBSK in the management of ROP

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Table 1: Roles and responsibilities at each level of the health system

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Table 2: Roles and responsibilities of different personnel at health facilities in the system

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Figure 3: Protocol for screening for ROP

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Figure 4: ROP treatment protocol

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Figure 5: Protocol for follow up. Note: The DEIC Optometrist should coordinate with SNCU/NICU staff to ensure that all infants screened for ROP are followed up in the DEIC

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Criteria for ROP screening

The ROP screening criteria of gestational age and birth weight are lower in the developed world.[15] In order to accommodate and allow the variable quality of care in India, and in view of the increased risk of ST-ROP, the screening criteria have been kept broad.[8],[12],[13] All infants admitted to SNCUs/NICUs with the following criteria need examination by fundoscopy [Figure 3]: (1) all infants born at 34 weeks or less gestational age; (2) all infants weighing 2000 g or less at birth, (3) all infants born at more than 34 weeks gestational age with associated risk factors (cardiorespiratory support; prolonged oxygen requirement; respiratory distress syndrome; chronic lung disease; fetal hemorrhage; blood transfusion; sepsis; exchange transfusion; interventricular hemorrhage; apnea; poor post-natal weight gain), (4) other preterm infants based on the discretion of the pediatrician or neonatologist.

The first step for ROP screening is identification of infants eligible for screening. This is facilitated by maintaining ROP screening diary in which infants are listed as per screening schedule based on eligibility criteria (gestational age, birth weight) at the time of admission and the recommendation of pediatricians while an inpatient. The first ROP screening should take place by 25-30 days of life. This is possible with a coordinated effort of all health care personnel involved in childcare. All eligible babies should also screened before discharge even if this is early.[9],[16] Screening should take place in the SNCU/NICU for inpatients. Outpatients can be examined in the unit or in eye departments.

The findings and management decision must be clearly documented by the screener in the medical records at each screening episode, for example “no ROP in either eye, immature retinal vessels”, or “right and left eye: Stage 2 in zone 2” as well as the date and name of the screener. If further screening is required, the date and place must also be clearly documented and communicated. This is particularly important before discharge or transfer to another unit.

Approaches for ROP screening

The details of different approaches for ROP screening are shown [Table 3]. If trained technicians/District Early Intervention Center (DEIC) optometrists screen for ROP using wide-field retinal imaging systems, an ophthalmologist should interpret the retinal images as soon as possible on-or off-line so that treatment can be instituted within 48 hours if needed Regardless of the approach, take informed consent from parents, the pupils should be dilated with tropicamide 0.5%-1% with phenylephrine 2.5% dilating drops, and the infants fed at least an hour before screening. To reduce stress, infants should be swaddled, tucked and given non-nutritive suckling (pacifier). A trained nurse should assist the screener and monitor the baby's vitals during screening.
Table 3: ROP screening - by whom, how and when

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ROP Treatment protocol [Figure 4]

The indications for treatment are based on the ETROP criteria.[3] The gold standard treatment is peripheral retinal ablation, and the guidelines recommend that this be undertaken in the unit for inpatients, or in tertiary eye care centers or medical colleges with capacity to manage preterm babies. An appropriate referral system integrated into referral mechanism of the child health program is very important. Alternate, less evidence-based treatment consists of intravitreal anti-vascular endothelial growth factor (anti VEGF), usually bevacizumab;[17] babies with Stage 4 ROP require vitreoretinal surgery.


  Discussion Top


There is a small window of opportunity for effective management of ROP. Hence it requires a very targeted approach. A “hub and spoke” approach is recommended comprising three to four district level SNCUs in the vicinity of a medical college with an SNCU/NICU capable of laser treatment for ROP. The guidelines differentiate the roles and responsibilities of different cadre delivering services for prevention of blindness from ROP, allowing better coordination between the relevant programs. Generating awareness about ROP and capacity building for screening and treatment will be key to implementation of the guidelines. Ensuring quality screening services is of vital importance for the timely identification of babies with ST-ROP. The guidelines will facilitate audit of ROP programs to improve the quality of ROP screening and treatment services, and the guidelines should be revised in 3-5 years as further evidence is generated. The operational guidelines for prevention of visual loss from ROP would facilitate rapid scale-up of ROP services in public and private sector NICU/SNCUs. Ensuring every eligible preterm infant receiving neonatal intensive care receives a timely screening and treatment for ROP is important for the healthy survival of preterm babies.


  Conclusion Top


Protocol based services for prevention of blindness from ROP will ensure standardization of services, rapid identification of capacity building needs and scale-up of ROP services. The evidence generated through a large scale ROP programs will not only help refine the operational and technical guidelines, but also facilitate monitoring the quality of neonatal care.

Acknowledgements

India ROP Partners Implementation Consortium: Tapas R Padhi (LV Prasad Eye Institute, Bhubaneswar), Deepak Chawla (Government Medical College, Chandigarh), Ashok Deorari and Anu Sachdeva (All India Institute of Medical Sciences, New Delhi), Sucheta Kulkarni (HV Desai Eye Institute, Pune), Praveen Kumar and Mangat Dogra (Post-Graduate Institute of Medical Education and Research, Chandigarh), Subhadra Jalali (LV Prasad Eye Institute, Hyderabad), Sandeep Kadam (KEM Hospital, Pune), P Sai Kiranmayee (Pushpagiri Eye Institute, Hyderabad), Srinivas Murki (Fernandez Research Foundation, Hyderabad), and Anand Vinekar (Narayana Nethralaya, Bengaluru).

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form, the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

The Queen Elizabeth Diamond Jubilee Trust, London, UK.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

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Blencowe H, Lawn JE, Vazquez T, Fielder A, Gilbert C. Preterm-associated visual impairment and estimates of retinopathy of prematurity at regional and global levels for 2010. Pediatr Res 2013;74(S1):35.  Back to cited text no. 2
    
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Blencowe H, Moxon S, Gilbert C. Update on blindness due to retinopathy of prematurity globally and in India. Indian Pediatr 2016;53:S89-92.  Back to cited text no. 4
    
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Moxon SG, Lawn JE, Dickson KE, Simen-Kapeu A, Gupta G, Deorari A, et al. Inpatient care of small and sick newborns: A multi-country analysis of health system bottlenecks and potential solutions. BMC Pregnancy Childbirth 2015;15:S7.  Back to cited text no. 5
    
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Meraz-Gutiérrez MP, Olguín-Manríquez FJ, Arriola-López AE, Berrones-Medina D, Price KW, Morales-Canton V, et al. Evidence to modify guidelines for routine retinopathy of prematurity screening to avoid childhood blindness in middle-income countries. Rev Mex de Oftalmol 2016;90:167-73.  Back to cited text no. 8
    
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Vinekar A, Jayadev C, Dogra M, Shetty B. Improving follow-up of infants during retinopathy of prematurity screening in rural areas. Indian Pediatr 2016;53 Suppl 2:S151-4.  Back to cited text no. 9
    
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https://rbsk.gov.in/RBSKLive/. Rashtriya Bal Swasthya Karyakram. c2019.  Back to cited text no. 10
    
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https://npcbvi.gov.in/. National program for blindness and visual impairment. c2019.  Back to cited text no. 11
    
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Jalali S, Anand R, Rani PK, Balakrishnan D. Impact of the day-30 screening strategy on the disease presentation and outcome of retinopathy of prematurity. The Indian twin cities retinopathy of prematurity report number 3. Indian J Ophthalmol 2014;62:610-4.  Back to cited text no. 12
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Availablr from: https://www.newbornwhocc.org/Facility-Based-Care-of-Preterm-Infant.html. Facility-Based Care of Preterm Infant (Eliminating retinopathy of prematurity by improving quality of care). Web resource. 2018-19.  Back to cited text no. 14
    
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Gilbert CE. Screening for Retinopathy of Prematurity: Does One Size Fit All? BMJ Publishing Group. Arch Dis Child Fetal Neonatal Ed 2016;101:F280-1.  Back to cited text no. 15
    
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Vinekar A, Jayadev C, Mangalesh S, Kurian M, Dogra M, Bauer N, et al. Initiating retinopathy of prematurity screening before discharge from the neonatal care unit: Effect on enrolment in rural India. Indian Pediatr 2016;53 Suppl 2:S107-11.  Back to cited text no. 16
    
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    Figures

  [Figure 1], [Figure 2], [Figure 3], [Figure 4], [Figure 5]
 
 
    Tables

  [Table 1], [Table 2], [Table 3]



 

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