Journal of Clinical and Diagnostic Research, ISSN - 0973 - 709X

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On Sep 2018




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MBBS, MD (Pathology),
Sanjay Gandhi institute of trauma and orthopedics,
Bengaluru.
On Aug 2018




Dr. Mamta Gupta,
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Dr. Mamta Gupta
Consultant
(Ex HOD Obs &Gynae, Hindu Rao Hospital and associated NDMC Medical College, Delhi)
Aug 2018




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Thanking you
With sincere regards
Dr. Rajendra Kumar Ghritlaharey, M.S., M. Ch., FAIS
Associate Professor,
Department of Paediatric Surgery, Gandhi Medical College & Associated
Kamla Nehru & Hamidia Hospitals Bhopal, Madhya Pradesh 462 001 (India)
E-mail: drrajendrak1@rediffmail.com
On May 11,2011




Dr. Shankar P.R.

"On looking back through my Gmail archives after being requested by the journal to write a short editorial about my experiences of publishing with the Journal of Clinical and Diagnostic Research (JCDR), I came across an e-mail from Dr. Hemant Jain, Editor, in March 2007, which introduced the new electronic journal. The main features of the journal which were outlined in the e-mail were extensive author support, cash rewards, the peer review process, and other salient features of the journal.
Over a span of over four years, we (I and my colleagues) have published around 25 articles in the journal. In this editorial, I plan to briefly discuss my experiences of publishing with JCDR and the strengths of the journal and to finally address the areas for improvement.
My experiences of publishing with JCDR: Overall, my experiences of publishing withJCDR have been positive. The best point about the journal is that it responds to queries from the author. This may seem to be simple and not too much to ask for, but unfortunately, many journals in the subcontinent and from many developing countries do not respond or they respond with a long delay to the queries from the authors 1. The reasons could be many, including lack of optimal secretarial and other support. Another problem with many journals is the slowness of the review process. Editorial processing and peer review can take anywhere between a year to two years with some journals. Also, some journals do not keep the contributors informed about the progress of the review process. Due to the long review process, the articles can lose their relevance and topicality. A major benefit with JCDR is the timeliness and promptness of its response. In Dr Jain's e-mail which was sent to me in 2007, before the introduction of the Pre-publishing system, he had stated that he had received my submission and that he would get back to me within seven days and he did!
Most of the manuscripts are published within 3 to 4 months of their submission if they are found to be suitable after the review process. JCDR is published bimonthly and the accepted articles were usually published in the next issue. Recently, due to the increased volume of the submissions, the review process has become slower and it ?? Section can take from 4 to 6 months for the articles to be reviewed. The journal has an extensive author support system and it has recently introduced a paid expedited review process. The journal also mentions the average time for processing the manuscript under different submission systems - regular submission and expedited review.
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Dr. P. Ravi Shankar
KIST Medical College, P.O. Box 14142, Kathmandu, Nepal.
E-mail: ravi.dr.shankar@gmail.com
On April 2011
Anuradha

Dear team JCDR, I would like to thank you for the very professional and polite service provided by everyone at JCDR. While i have been in the field of writing and editing for sometime, this has been my first attempt in publishing a scientific paper.Thank you for hand-holding me through the process.


Dr. Anuradha
E-mail: anuradha2nittur@gmail.com
On Jan 2020

Important Notice

Original article / research
Year : 2009 | Month : June | Volume : 3 | Issue : 3 | Page : 1523 - 1528 Full Version

Epidemiology, Clinical Presentation And Final Outcome Of Patients With Scorpion Bite


Published: June 1, 2009 | DOI: https://doi.org/10.7860/JCDR/2009/.535
SINGHAL A*, MANNAN R**, RAMPAL U***

*(MD),Senior Resident Department of Neurology Sanjay Gandhi Post Graduate Institute Lucknow (India).**(MBBS),(MD),Assistant Prof. Department of Pathology Sri Guru Ram Das Institute of Medical Sciences and Research Amritsar, Punjab (India).***(MBBS),(Int),KMC, Mangalore Karnataka (India).

Correspondence Address :
Rahul mannan
E.mail:rahulmannan@gmail.com

Abstract

Most of the scorpion sting cases are acute life-threatening and time-limiting medical emergencies. The present study was undertaken to analyze the varied clinical presentations in patients admitted with a history of scorpion bite, with a special emphasis to find out whether any difference existed in the presentation of paediatric patients in comparison to the adult patients and to understand whether any particular signs and symptoms were associated with increased mortality and morbidity in different age groups. Also, the final outcomes in all the age groups were noted.This study was conducted at a tertiary care hospital (SRN Hospital, Allahabad) from April 2006 to September 2007. In all the age groups, 74 cases presenting with a history of scorpion sting were either observed or admitted to the intensive coronary care unit (ICCU). They were classified into different groups (A-D) depending upon the clinical presentation. GROUP A included patients who presented only with local signs or those who were asymptomatic; GROUP B included patients having signs of acute pulmonary oedema (APO); GROUP C included patients with signs of APO and myocarditis and GROUP D included patients with APO, myocarditis and encephalopathy or encephalopathy alone. The final outcome was tabulated and the results were analyzed to associate the mortality with any particular clinical parameter. The treatment protocol was designed according to the groups divided. The older age group (5-15 years) comprised of the asymptomatic group (Group-A) in which survival was excellent (100%). Group B comprised of the maximum number of patients ie.52 (70.27%). In this group, the patients in the age group of 5-15 years were the largest cohort. Survival in this group was quite satisfactory, with a recovery rate of 96.16%. Group C patients had an additional element of myocarditis which affected the younger individuals i.e. age groups less than 5 and 5-15 years comprising of 3 patients each. In this group, mortality was seen in 2 (33.33%) patients. Group D had the worst outcome with 100% mortality rates and affected the extremes in the age groups from very young (less than 5 years) to the elderly (above 15 years) patients. An incidental finding of priapism was noted in 27.02% of the patients. The point to be noted was that it was present in 100% of the cases in the age group of less than 5 years in male children and in 40 % of the cases in the age group of 5-15 years in males. There was no incidence of priapism in males above 15 years.

Keywords

Scorpion bite, epidemiology, outcome, treatment

Introduction
Scorpion sting is an acute life-threatening, time-limiting medical emergency among the rural population in most places in India (1). Reliable statistics are not readily available for this common rural accident. Case fatality rates of 3-22% were reported among children who were hospitalized for scorpion stings in India (2),(3).

Among the 86 species of scorpions in India, Mesobuthus tamulus and Palamneus swammer-dami are of medical importance. Cardiovascular effects are particularly prominent following the stings by the Indian red scorpion (Mesobuthus tamulus) (4).

The clinical features post scorpion bite, include pain in and around the sting site, florid autonomic signs such as hypertension, tachycardia, hypotension, pulmonary oedema, priapism and infrequently; central nervous manifestations such as encephalopathy, convulsions and coma (5),(6).

The present study was undertaken to analyze the varied clinical presentations in patients who were admitted with a history of scorpion bite, with a special emphasis to find out whether any difference existed in the presentation of paediatric patients in comparison to the adult patients and to understand whether any particular signs and symptoms were associated with increased mortality and morbidity in different age groups. Also, the final outcomes in all the age groups were noted.

Material and Methods

This study was conducted at a tertiary care hospital (SRN Hospital, Allahabad) from April 2006 to September 2007. In all the age groups, 74 cases presenting with a history of scorpion sting were either observed or admitted to the intensive coronary care unit (ICCU). They were classified into different groups (A-D) depending upon the clinical presentation.

GROUP A- Local signs/ Asymptomatic

GROUP B- Acute Pulmonary Oedema (APO)

GROUP C- APO+ Myocarditis

GROUP D- APO+ Myocarditis + Encephalopathy OR Encephalopathy alone

All the asymptomatic patients or those complaining of pain and paresthaesia at the sting site, with no systemic manifestations, were kept under Group A.

Group B consisted of patients with APO which were identified clinically on the basis of cold and clammy skin, tachycardia with elevated blood pressure, retractions, nasal flaring and grunting, pink frothy sputum, impaired percussion note over lung fields, crepitations and radiological findings; complemented with decreased oxygen saturation.

Group C consisted of patients with APO and Myocarditis. Myocarditis was diagnosed on the basis of clinical features such as tachycardia, arrhythmia, gallop rhythm, systolic murmurs, ECG changes and elevated LDH (lactate dehydrogenase).

Group D consisted of patients with features of APO and Myocarditis as well as encephalopathy, or patients presenting acutely with encephalopathy alone. Patients with persistent irritability or altered sensorium, convulsions and neurological deficit were classified as cases of encephalopathy.

Group A patients were monitored closely for signs of toxicity and were administered analgesics like acetaminophen and ice packs to relieve the signs of inflammation.

All of the symptomatic patients in Group B, C and D received a dose of prazosin (30 microgram per Kg body weight) in the supine position, with monitoring of blood pressure (BP), heart rate (HR), respiration rate (RR) and hydration status. In addition, patients with APO were put on sodium nitroprusside drip and dobutamine along with supportive measures and were ventilated as and when required. These patients were tapered off the sodium nitroprusside drip after they got stabilized haemodynamically and were continued on prazosin. Similarly, dobutamine was tapered and stopped in a phased manner.

Patients of Group D, presenting with additional signs of encephalopathy such as seizures, were managed with anti-convulsant medication. Also, an unusual association in the paediatric age group was seen in the form of the presence of priapism, which was managed conservatively with ice-packs only.

In the present study, the presence of signs and symptoms in the various age groups were tabulated according to Groups A to D. The final outcome was tabulated and the results were analyzed to associate the mortality with any particular clinical parameter. The differences in presentation and progression towards the final outcome were studied and assessed to compare paediatric patients with adult patients.

Observations
There were 74 patients in the present study, of which 46 (62.16%) were males and 28 (37.83%) were females. The mean time interval between the scorpion sting and the clinical presentation was 8 hours (range 4–16 hours). Of these 74 patients, 70 (94.59%) were from the rural background and 66 (89.18%) patients were admitted during the months from April to August. In the present study, the age groups of 5-15 years and >15 years comprised the largest subgroup, with each having 30 cases (40.54%). The maximum number of males- 20 (43.47%) were seen in the age group of 5-15 years; whereas, the maximum number of females- 16 (57.14%) constituted the age group above 15 years (Table/Fig 1).

The clinical manifestations and presentation at the time of admission were tabulated along with the biochemical and radiological profiles of the patients, as given in (Table/Fig 2).

The older age group (5-15 years) comprised of the asymptomatic group (Group-A) in which survival was excellent (100%). Group B comprised of the maximum number of patients-52 (70.27%). In this group, the patients in the age group of 5-15 years were the largest cohort. Survival in this group was quite satisfactory, with a recovery rate of 96.16%. Group C patients had an additional element of myocarditis which affected the younger individuals i.e. age groups less than 5 and 5-15 years, comprising of 3 patients each. Out of these, mortality was seen in 2 (33.33%) patients. Group D had the worst outcome, with 100% mortality rates and affected the extremes in the age groups from very young (less than 5 years) to the elderly (above 15 years) patients (Table/Fig 3), (Table/Fig 4).

Discussion

Scorpion stings increase dramatically in summer months and are lowest in winter. In our study also, the maximum number of scorpion stings were reported in the months from April to August. Scorpions commonly inhabit the crevices of dwellings, underground burrows, the areas under logs or debris, paddy husk, sugarcane fields and coconut and banana plantations. In our study, the finding that out of 74 patients admitted in the ICCU, 70 (94.59%) were from the rural background, correlates well with the natural habitat of the scorpion (7). Also, most of the patients were male i.e. 46 (62.16%) who venture out more in fields in the rural setting (Table/Fig 1).

Of the initial signs and symptoms, intense pain and paresthaesia were present in 70.27% of cases; however, breathlessness was the most common (78.37%) initial presentation in the study conducted. Serotonin found in scorpion venom is thought to contribute to the pain associated with scorpion sting (8).

Scorpion venoms are species-specific complex mixtures of short neurotoxic proteins (31-64 aminoacid sequences) (9). The venom contains numerous free aminoacids, appreciable quantities of serotonin, hyaluronidase and various enzymes that act on trypsinogen. Voltage dependant ion channels are altered by the venom. The toxin acts by opening sodium channels at presynaptic nerve terminals and by inhibiting calcium dependant potassium channels. An autonomic storm is thus initiated (4). The unopposed effects of the alpha-receptor stimulation are thought to result in autonomic disturbances, and this has been the rationale for treatment with the alpha-blocker prazosin (10), as also instituted in the present study. Tachycardia, hypertension, myocardial dysfunction, pulmonary oedema and shock are important manifestations of the ‘autonomic storm’ found in patients stung by a scorpion (7). These very signs and symptoms were also recorded in our study where tachycardia was seen in the maximum number of patients ie. 60 (81.08%); followed by pulmonary oedema in 52 (70.27%) patients. Hypotension was seen in 13 (17.56%) patients who presented later than the average reporting time of 8 hours in the present study; which points towards the fact that in the early hyperdynamic phase, the blood pressure is elevated and LV contraction is enhanced. This is followed by a hypokinetic phase in which hypotension and impaired LV function occurs (Table/Fig 2) (11),(12),(13),(14).

All of the cases with myocarditis had APO and many had S3 gallop and apical murmur of mitral regurgitation, similar to the tachyarrhythmia myocarditis in 3-75% of the cases and apical murmur in 43.9% of the cases in other studies (15),(16),(17). The myocarditis was corroborated with an increased level of lactate dehydrogenases (LDH).

An incidental finding of priapism was noted in 27.02% of the patients. The point to be noted was that, it was present in 100% of the cases in the age group of less than 5 years in male children and in 40 % of the cases in the age group of 5-15 year old males. There was no incidence of priapism in males above 15 years. This phenomenon is due to the parasympathetic over stimulation in children, as they are more likely to develop a more rapid progression and increased severity of symptoms because of their lower body weight. These findings need to be corroborated in further studies, as to the best of our knowledge this has not been addressed in the literature so far.

Central nervous system manifestations are infrequently encountered. They are however, invariably fatal. Generalized seizures and tonic posturing was seen in 2.70% of cases in comparison to 2-13% from India, Israel and South Africa (18).

In the pre-prazosin era (1961-1983), 25-30% fatality due to pulmonary oedema was reported in scorpion victims from Western India. Ever since prazosin started being used (1984 onwards), the mortality in these victims reduced to less than 1% (7). In the present study, 90.54% cases recovered fully and mortality was seen in 9.46% cases. Of these, 100% mortality was seen in Group D patients having CNS involvement. The next most affected group was Group C, having evidence of the involvement of the myocardium where mortality was in the range of 35.71%.

Prazosin is now clinically accepted for scorpion sting cases. There must be no delay in administration of prazosin. The importance of treating pulmonary oedema effectively with sodium nitroprusside or nitroglycerin infusate and dobutamine support cannot be over emphasized as this is a major cause of subsequent mortality (18).

Key Message

1. In the present study, most of the patients suffering from the scorpion bite were males and from the rural background.
2. Of the initial signs and symptoms, intense pain and paresthaesia were present in 70.27% of the cases; however, breathlessness was the most common (78.37%) initial presentation in the study conducted.
3. The patients were classified into different groups (A-D) depending upon the clinical presentation. GROUP A included patients presenting with only local signs or those who were asymptomatic; GROUP B included patients having signs of acute pulmonary oedema (APO); GROUP C included patients with signs of APO and myocarditis and GROUP D included patients with APO, myocarditis and encephalopathy or encephalopathy alone.
4. An incidental finding of priapism was noted in 27.02% of the patients. The point to be noted was that it was present in 100% of the cases in the age group of less than 5 years in male children and in 40 % of the cases in the age group of 5-15 years in males. There was no incidence of priapism in males above 15 years.
5. Central nervous system manifestations were infrequently encountered. They were however invariably fatal. Generalized seizures and tonic posturing were seen in 2.70% of the cases.
6. In the pre-prazosin era (1961-1983), 25-30% fatality due to pulmonary oedema was reported in scorpion victims from Western India. Ever since the use of prazosin (1984 onwards) started, the mortality in these victims reduced to less than 1%. In the present study, 90.54% cases recovered fully and mortality was seen in 9.46% of the cases.

Acknowledgement

Prof P. C Saxena MD, DM (Cardio), Head, Deptt of Cardiology, SRN Hospital, Allahabad (India).

References

1.
. Bawaskar HS, Bawaskar PH. Sting by red scorpion (Buthus tamulus) in Maharashtra State, India: A clinical study. Trans Roy Soc Med Hyg 1989; 83: 858-60.
2.
. Rajarajeswari G, Sivaprakasam S, Viswanathan J. Morbidity and mortality pattern in scorpion sting–a review of 68 cases. J Indian Med Assoc 1979; 73: 123-26.
3.
. Mahadevan S, Choudhury P, Puri RK, Srinivasan S. Scorpion envenomation and the role of lytic cocktail in its management. Indian J Pediatr 1981; 48: 757-61.
4.
. Bawaskar HS, Bawaskar PH. Indian red scorpion envenoming. Indian J Pediatr 1998; 65: 383-91
5.
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