IP International Journal of Forensic Medicine and Toxicological Sciences

Print ISSN: 2581-9844

Online ISSN: 2456-9615

CODEN : IIJFA2

IP International Journal of Forensic Medicine and Toxicological Sciences (IJFMTS) open access, peer-reviewed quarterly journal publishing since 2016 and is published under the Khyati Education and Research Foundation (KERF), is registered as a non-profit society (under the society registration act, 1860), Government of India with the vision of various accredited vocational courses in healthcare, education, paramedical, yoga, publication, teaching and research activity, with the aim of faster more...


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Rao: An autopsy study of suicidal hanging


Introduction

Hanging is a Form of Mechnical Asphyxia, wherein the Constriction of the Neck is from a Ligature Encircling the Neck, the Constricting Force being the Weight of the Body [Whole Body weight or Mere Weight of the Head]. It is well known Form of Asphyxial Death, Since 2500 Years, with its Origin in Persia. The Oxford English Dictionary states that hanging in this sense is "specifically to put to death by suspension by the neck", though it formerly also referred to crucifixion and death by impalement in which the body would remain "hanging". Hanging has been a common method of capital punishment since medieval times, and is the primary execution method in numerous countries and regions. The first known account of execution by hanging was in Homer's Odyssey (Book XXII).1, 2 In this specialised meaning of the common word hang, the past and past participle is hanged3 instead of hung.

Hanging is a common method of suicide in which a person applies a ligature to the neck and brings about unconsciousness and then death by suspension or partial suspension. Hanging is a common suicide method. The materials necessary for suicide by hanging are readily available to the average person, compared with firearms or poisons. In Canada, hanging is the most common method of suicide,4 and in the U.S., hanging is the second most common method, after self-inflicted gunshot wounds.5 In the United Kingdom, where firearms are less easily available, in 2001 hanging was the most common method among men and the second most commonplace among women (after poisoning).6

In hanging, ligature material may be any substance that is available at the time of the impulse and the Knot is frequently in the form of a single knot to produce a running noose or fixed by a granny or reef knot, occasionally a simple loop is used.7 About 800,000 people die by suicide worldwide every year,3 of these 135,000 (17%) are residents of India,4 a nation with 17.5% of world population. Between 1987 and 2007, the suicide rate increased from 7.9 to 10.3 per 100,000,8 with higher suicide rates in southern and eastern states of India.9 Hanging contributes to 26% of the primary methods used to die by suicide in 2012.10 Though the Numbers known to have increased since then. Hence, this Study helps us to Understand Suicidal Hanging better given the Long Period of Study and High Number of Cases Studied.

Materials and Methods

The study was conducted between 2009 and 2020 at various regions, Kingston & Bangalore. A total of 9684 Autopsies were conducted of which SuicidalHanging contributed to 6.5% (n — 634) of cases. Crime scene examination was done only in those cases where their were Suspicion on the Suspension Deaths. Rest of the cases the crime scene photographs and investigating officer records were the inputs . Autopsies were conducted with enmasse removal of Thoracic and Abdominal Organs and the neck was the last to be dissected after Exploring all the body Cavities.

Figure 1

The different type of ligature material used in suicidal hanging.

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Figure 2

Types of suicidal hanging.

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Figure 3

Sex distribution in suicidal hanging.

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Figure 4

Age distribution in suicidal hanging.

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Figure 5

Types of knots in suicidal hanging.

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Figure 6

Different position of knots in suicidal hanging.

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External findings of the ligature mark were described, photographed and sketched along with Taping of the Mark to correlate with the Possible Suspension Material. Internal findings of the neck studied layer by layer dissection of the neck. Carotid artery damage to the Intimae was by gross examination and Toluidine blue dye examination. Cervical vertebra fracture, thyroid, cricoid and hyoid bone fractures were confirmed by Radiological examination and further confirmed through the dissection method. The ligature material was always brought along with the dead body with the noose and knot intact (Figure 1).

Results

This Study was carried out between 2009 to 2020, a total of 9684 Autopsies were conducted of which 6.5% (n- 634) cases were Deaths due to Self Suspension. The Most preferred Ligature materials [Figure 1]were Stole 36%(n-228) and Bed Sheet-12%[n-76], Sari 19%(n-121), Ropes-27%[n-171], Belt-04%[n-25], Shoe Lace 0.5%[n-3],Clothes-1.5%[n-10]. In 72% [n-456] of the cases, Hanging was Complete [Figure 2]. Females Contributed to 62% (n-393) of Cases and Males 48% (n-241) [Figure 3], were equally affected. The Major Age group [Figure 4] involved in both the Sexes were between 21-30 years, contributing to 51% (n-323) of the self suspension. The Age Group below 10years and Above 60years were Unaffected. A Slip type of Knot was used in majority of the Noose, contributing to 97.73% (n-619) of the suspensions [Figure 5]. In 78% of cases [n-494], the Position of the Knot situated [Figure 6] over the Nape of the Neck[Typical Hanging]. Married Victims contributed to 37.45% of cases.

Discussion

This prospective study was conducted between 2009 and 2020. A total of 9684 cases were autopsied during this period, of which deaths due to hanging comprised 6.5% (n — 634) of Autopsies. Similar studies conducted by Hassan et al.11 in a two-year period in Kuwait reported a total of 118 cases. In another study conducted by Kumar and Verma 12 in Lucknow (India) a total of 4405 cases were autopsied in a five-year period of which Hanging contributed to 10% of cases. Dean et al.13 had studied on 229 cases. This Variations in the Number of Cases per Thousand Autopsies is possibily due to Regional Variations ,Influence of Cultural and socioeconomic factors. Hence the present study is Important for its high Number of Cases Studied as compared to other Studies, this makes it more Unique in its Nature. The commonest and Most preferred choice of ligature material used were [Female dress (soft) material] Stole in 36%[n-228], followed by Rope in 27%[n-171] and the least Preferred Ligature Material were Shoe Lace [0.5%,n-3] and Garments/Cloth Wear contributing to 1.5%[n-10] cases. This were close to the Observations made by Jayprakash and Sreekumar14 Sharma et al.15, they had opined 47% and 56% of their victims respectively preferred Soft ligature material like sari, Stole, shawl. In another Study conducted by Pradhan et al., Only 9.09%[n-4] used Sari/Stole Material.

In the present study hard ligature materials like Plastic Rope, Coir Rope and Cotton Rope contributed to 27% of cases, similar were the observations made by Jayprakash and Sreekumar.14 This wide nature of deviations in the choice of ligature material depends on the Cultural, Regional influence on the Dressing/Clothing of an Individual. It is observed that Sari in the southern part of India and Stole [Chunni] among females from northern India are widely used and are easily available in the house and hence the obvious choice in these regions. Whereas in the UK (Bennewith)16 the commonest choice was hard materials like Rope, Belt, Cord and Cable, soft materials like Sari or Stole were least found in that region. Hence factors like sex of the victim, culture, geographic location and place of the act play an important role in this. The present study also indicated the fact that 72% of the hangings were complete [n — 456], these results are close to the observations made by Sharma et al. 15 and Saisudheer and Nagaraja,17 in their study, 68% and 64% of the cases respectively were due to Complete Hanging, however these observations are contrary to those made by Dean et al.13 and Pradhan et al.18 They observed that 83.4% [n– 229] and 47.37% of their cases were due to Partial Hanging, all these observations highlight the regional influence, lifestyle and to a certain extent the type of residence.

In the present study females were the Major Victims comprising 62% [n-393] of cases and males contributing to 48% of Cases. and the majority belonged to 21-30 years (46%; n — 291) and the least affected age group was from those below the first decade and above 6th decade, these results are contrary to the claims made by Jayprakash and Sreekumar 14 and Sharma et al. 15 wherein, the male to female victim ratio was 2:1. However their observations closely matched with the age group involved. The observations made by Kurtulus et al., 19 Jayaprakash and Sreekumaran, 14 Abd-Elwahab et al., 12 Suminska-Ziermann 20 and Al Madni et al. 21 are more deviating as they found that the Males were more affected than females in the ratio 3:1. This wider variation in the sex group is possibly due to the cultural, religious, economic and lifestyle factors driving the individual to Suicidal Hanging.

In the present study the most preferred knot was the Slip knot, contributing to 92% (n — 583) of cases. These results were contrary to those made by Sharma et al. 15 wherein they had concluded 71% of their victims had fixed knot. The observation made by Saisudheer and Nagaraja 17 was close to the observations made in the present study.

Hence the type of knot determine the ligature mark and its continuity over the neck. The Married victims contributed to 36[n-228]% were married, Contrary to the observations made by Saisudheer and Nagaraja17 wherein 82% of his victims were married. In the present study, 78% (n – 494) of the victims had their knots over the Nape of the neck (typical hanging), Contrary to the views of Saisudheer and Nagaraja 17 and Sharma et al. 15 who had opined that 89% and 88% of the cases respectively, were Atypical Hanging [knot over the sides of neck]. This is an area which need to be Studied Furhter,the possibility of Psychological Factors influence cannot be ruled out. And the other possible factors like the victim tying the noose around his neck during the time of suspension and then jumping over it, and the other possibility is that the Changing Knot position after suspension. The study highlights the influence of regional, religious, cultural, socioeconomic factors and demographic factors responsible for Suicidal Hanging. It also encourages further research into these factors so as to Understand Suicidal Hanging.

Source of Funding

None.

Conflict of Interest

None.

Acknowledgements

Legal medicine unit, Ministry of National security, Kingston Public Hospital, Roberts Funeral Home, Bureau of Special

Investigation, SSIMS and TOMCH, Bangalore.

References

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Article type

Original Article


Article page

108-112


Authors Details

Dinesh Rao


Article History

Received : 02-09-2021

Accepted : 11-09-2021

Available online : 28-09-2021


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