Parvaty d/o Raju and another v National University Hospital (S) Pte Ltd and another [2026] SGHC 7

Case Details

• Citation: [2026] SGHC 7
• Court: General Division of the High Court of the Republic of Singapore
• Decision Date: 12 January 2026
• Coram: Mavis Chionh Sze Chyi J
• Case Number: Originating Claim No 468 of 2022
• Hearing Date(s): 1–4, 8–11, 15–17, 22–24, 29 April, 28 August, 15 October 2025
• Claimants / Plaintiffs: Parvaty d/o Raju; Meenachi d/o Suppiah (administrator of the estate of Parvaty d/o Raju)
• Respondent / Defendant: National University Hospital (S) Pte Ltd; Ang Mo Kio – Thye Hua Kwan Hospital Ltd
• Counsel for Claimants: Vijay Kumar Rai, Jasleen Kaur (Arbiters Inc Law Corporation)
• Counsel for Respondent: Kuah Boon Theng SC, Yong Shuk Lin Vanessa, Kimberly Chia Wei Xin, Kwok Chong Xin Dominic (Legal Clinic LLC) for the first defendant; Mar Seow Hwei, Toh Cher Han, Aw Sze Min, Isaac Hoe Wen Jie (Dentons Rodyk & Davidson LLP) for the second defendant
• Practice Areas: Professions — Medical profession and practice — Liability; Tort — Negligence — Breach of duty

Summary

The judgment in Parvaty d/o Raju and another v National University Hospital (S) Pte Ltd and another [2026] SGHC 7 represents a significant examination of the standard of care required in the management of complex, multi-morbid patients within the Singapore healthcare system. The case arose from a medical negligence claim initiated by the estate of Mdm Parvaty, a 75-year-old patient with a history of end-stage renal failure and diabetes, who underwent an above-knee amputation (AKA) following the deterioration of a right heel wound. The Claimants alleged that the National University Hospital (NUH) and Ang Mo Kio – Thye Hua Kwan Hospital (AMKH) were negligent in their clinical management, specifically regarding the prevention of pressure injuries and the decision-making process surrounding surgical intervention versus conservative management.

The High Court, presided over by Mavis Chionh Sze Chyi J, dismissed the claims against both defendants in their entirety. The decision reaffirms the application of the Bolam test and the Bolitho addendum in the context of medical diagnosis and treatment, as established in Hii Chii Kok v Ooi Peng Jin London Lucien [2017] 2 SLR 492. A central pillar of the Court's reasoning was the rejection of the Claimant's expert witness, Mr. Phillip Coleridge Smith, whose testimony was found to be based on fundamental misconceptions of the patient's clinical reality and the prevailing standards of practice in Singapore. The Court emphasized that a medical professional is not negligent if their actions are supported by a responsible body of medical opinion, provided that opinion has a logical basis.

Beyond the clinical findings, the judgment serves as a stern reminder of the importance of pleadings in civil litigation. The Court held that the Claimants were precluded from raising several allegations of negligence because they had not been specifically pleaded in the Statement of Claim. This adherence to procedural rigor ensured that the Defendants were not prejudiced by "trial by ambush." Furthermore, the Court addressed the doctrine of res ipsa loquitur, finding it inapplicable where the cause of the injury—in this case, the natural progression of gangrene in a severely compromised patient—could be explained by factors other than negligence.

Ultimately, the Court concluded that the decision to treat Mdm Parvaty’s dry gangrene conservatively was a clinically sound choice given her high surgical risk and the lack of viable revascularization options. The subsequent deterioration of her condition and the necessity of the AKA were attributed to her underlying pathologies rather than any breach of duty by the hospitals. The case underscores the high evidentiary threshold plaintiffs must meet in medical negligence suits, particularly when challenging the collective judgment of multi-disciplinary medical teams managing high-risk patients.

Timeline of Events

1. 6 September 2020: Mdm Parvaty first presented at NUH’s emergency department with severe pain in her right knee.
2. 9 September 2020: Mdm Parvaty was admitted to NUH for further investigation and treatment of her knee condition.
3. 19 September 2020: Diagnosis of septic arthritis of the right knee was confirmed.
4. 25 September 2020: Mdm Parvaty underwent surgery for the septic arthritis.
5. 29 September 2020: Continued treatment and monitoring at NUH.
6. 1 October 2020: Mdm Parvaty remained hospitalized at NUH for post-operative care.
7. 2 October 2020: Further clinical assessments conducted at NUH.
8. 3 October 2020: Ongoing management of Mdm Parvaty's multi-morbid conditions.
9. 5 October 2020: Clinical review of Mdm Parvaty's progress.
10. 14 October 2020: Mdm Parvaty continued her recovery phase at NUH.
11. 20 October 2020: Medical team monitored Mdm Parvaty for potential complications.
12. 21 October 2020: Routine wound care and assessment.
13. 22 October 2020: Mdm Parvaty's condition remained stable but guarded.
14. 2 November 2020: Mdm Parvaty was admitted for her "Second NUH Admission" following complications.
15. 4 November 2020: Clinical observations noted the development of skin issues.
16. 7 November 2020: Further assessment of Mdm Parvaty's right heel.
17. 11 November 2020: Medical records indicated the presence of a Deep Tissue Injury (DTI) on the right heel.
18. 19 November 2020: The DTI was noted to have progressed to dry gangrene.
19. 29 November 2020: Mdm Parvaty's condition was managed conservatively by the vascular and orthopaedic teams.
20. 30 November 2020: Ongoing conservative management of the dry gangrene.
21. 1 December 2020: Multi-disciplinary review of the right heel wound.
22. 3 December 2020: Decision maintained to avoid aggressive surgical intervention.
23. 3 January 2021: Mdm Parvaty remained under the care of NUH.
24. 6 January 2021: Assessment for potential discharge to a community hospital.
25. 13 January 2021: Mdm Parvaty was discharged from NUH and transferred to AMKH for rehabilitative care.
26. 14 January 2021: Admission and initial assessment at AMKH.
27. 15 January 2021: AMKH medical team reviewed Mdm Parvaty's right heel wound.
28. 23 January 2021: Monitoring of the dry gangrene at AMKH.
29. 25 January 2021: Mdm Parvaty's condition at AMKH remained stable.
30. 29 January 2021: Observations noted signs of potential infection in the heel wound.
31. 30 January 2021: The dry gangrene was observed to be turning "wet," indicating infection.
32. 1 February 2021: AMKH medical team prepared for Mdm Parvaty's transfer back to NUH.
33. 3 February 2021: Mdm Parvaty was readmitted to NUH from AMKH.
34. 5 February 2021: Clinical decision made that an above-knee amputation (AKA) was necessary.
35. 6 February 2021: Mdm Parvaty underwent the AKA surgery at NUH.
36. 7 February 2021: Post-operative recovery at NUH.
37. 8 February 2021: Monitoring of the surgical site.
38. 9 February 2021: Mdm Parvaty's condition stabilized post-amputation.
39. 10 February 2021: Ongoing post-operative care.
40. 11 February 2021: Clinical review of the amputation stump.
41. 13 February 2021: Mdm Parvaty continued her recovery.
42. 15 February 2021: Assessment of Mdm Parvaty's overall health status.
43. 16 February 2021: Further post-operative monitoring.
44. 17 February 2021: Mdm Parvaty remained in NUH.
45. 18 February 2021: Clinical team planned for long-term care.
46. 19 February 2021: Mdm Parvaty's condition was managed by the multi-disciplinary team.
47. 22 March 2021: Mdm Parvaty continued to receive medical attention.
48. 14 August 2022: Legal proceedings initiated by the Claimants.
49. 30 January 2023: Mdm Parvaty passed away at the age of 75.
50. 12 January 2026: Judgment delivered by the High Court.

What Were the Facts of This Case?

Mdm Parvaty d/o Raju was a patient with a complex medical profile, including end-stage renal failure (ESRF) requiring regular dialysis, Type 2 diabetes mellitus, hypertension, and ischemic heart disease. Her interaction with the National University Hospital (NUH) began in earnest on 6 September 2020, when she presented at the emergency department complaining of severe pain in her right knee. This initial presentation led to her "First NUH Admission," during which she was diagnosed with septic arthritis of the right knee, a serious condition requiring multiple surgical washouts and a prolonged course of intravenous antibiotics. During this period, she was managed by a multi-disciplinary team including orthopaedic surgeons, infectious disease specialists, and renal physicians.

Following a brief period of discharge, Mdm Parvaty was readmitted to NUH on 2 November 2020 (the "Second NUH Admission") due to persistent issues related to her knee infection and general frailty. It was during this second admission that the focus of the dispute shifted to her right heel. On or around 11 November 2020, medical staff identified a Deep Tissue Injury (DTI) on her right heel. A DTI is a type of pressure injury where the damage occurs in the underlying soft tissue, often appearing as a purple or maroon localized area of discolored intact skin. Given Mdm Parvaty's ESRF and diabetes, her peripheral circulation was severely compromised, making her highly susceptible to such injuries and significantly impairing her body's ability to heal them.

The DTI eventually progressed into dry gangrene, a condition where the tissue dies and becomes mummified but remains uninfected. The clinical management of this gangrene became the central point of contention. NUH’s vascular surgery team, led by Dr. Julian Wong, and the orthopaedic team, led by Dr. Ng, opted for a "conservative management" approach. This involved keeping the wound dry, using specialized dressings, and avoiding aggressive surgical debridement or revascularization procedures like angioplasty. The rationale provided by NUH was that Mdm Parvaty was a "high-risk" surgical candidate; her ESRF and heart condition meant that any invasive procedure carried a significant risk of mortality or systemic failure. Furthermore, the vascular team concluded that her blood vessels were too calcified and diseased for a successful angioplasty to improve blood flow to the heel.

On 13 January 2021, NUH discharged Mdm Parvaty to Ang Mo Kio – Thye Hua Kwan Hospital (AMKH), a community hospital, for continued rehabilitative care and wound management. The discharge summary noted the stable dry gangrene on her right heel. However, during her stay at AMKH, the wound's status changed. By 30 January 2021, nursing staff at AMKH observed that the gangrene was becoming "wet," suggesting the onset of a secondary infection. Wet gangrene is a medical emergency as it can lead to sepsis and death if not treated aggressively. AMKH monitored the situation and, upon confirming the deterioration, arranged for her transfer back to NUH on 3 February 2021.

Upon her readmission to NUH, the medical team determined that the infection had spread significantly, and the tissue necrosis was irreversible. On 5 February 2021, after consulting with Mdm Parvaty’s family, the decision was made to perform an above-knee amputation (AKA) to save her life. The surgery was carried out on 6 February 2021. Mdm Parvaty survived the surgery but remained in declining health until her death on 30 January 2023. Her daughter, Mdm Meenachi, acting as the administrator of her estate, subsequently sued both NUH and AMKH, alleging that the hospitals' negligence led to the necessity of the AKA and caused Mdm Parvaty unnecessary suffering and loss.

What Were the Key Legal Issues?

The resolution of this case required the Court to address five primary issues, each centered on whether the Defendants breached their duty of care and whether such breaches caused the ultimate injury (the AKA). These issues were framed as follows:

• Implementation of Precautions: Whether NUH negligently failed to implement sufficient pressure-relieving precautions to prevent the right heel DTI from developing and subsequently worsening during the Second NUH Admission. This issue hinged on the adequacy of nursing care and the use of specialized equipment like air mattresses and heel protectors.
• Conservative Management vs. Surgical Intervention: Whether NUH was negligent in its clinical decision to treat the dry gangrene conservatively. The Claimants argued that NUH should have performed early debridement (removal of dead tissue) or angioplasty (to restore blood flow) which, they claimed, would have saved the limb.
• Negligence in Discharge: Whether NUH’s decision to discharge Mdm Parvaty to AMKH on 13 January 2021 was premature or negligent, given the state of her heel wound and her overall medical instability.
• Care at AMKH: Whether AMKH breached its duty of care by failing to properly monitor and manage the heel wound, thereby causing the dry gangrene to deteriorate into wet gangrene.
• Timing of the AKA: Whether NUH should have performed an angioplasty or debridement immediately upon Mdm Parvaty’s readmission on 5 or 6 February 2021 as an alternative to the AKA, and whether the failure to do so constituted negligence.

These issues were analyzed through the lens of the established legal framework for medical negligence in Singapore, requiring the Court to determine the appropriate standard of care and evaluate whether the hospitals' actions fell below that standard. The Court also had to consider the procedural limitations imposed by the parties' pleadings and the weight to be accorded to conflicting expert testimonies.

How Did the Court Analyse the Issues?

The Court’s analysis began with a restatement of the applicable legal principles. Citing Hii Chii Kok v Ooi Peng Jin London Lucien [2017] 2 SLR 492, the Court affirmed that the standard of care for medical diagnosis and treatment is governed by the Bolam test, supplemented by the Bolitho addendum. As noted at [67]:

"the requisite standard of care in relation to a doctor’s medical diagnosis and treatment (including pre- and post-operative care) was to be determined by the principles established in Bolam v Friern Hospital Management Committee [1957] 1 WLR 582 (“Bolam”) and Bolitho v City and Hackney Health Authority [1998] AC 232 (“Bolitho”)."

The Court explained that under the Bolam test, a doctor is not negligent if they act in accordance with a practice accepted as proper by a responsible body of medical professionals. The Bolitho addendum requires that the body of opinion must have a "logical basis," meaning the experts must have directed their minds to the comparative risks and benefits and reached a defensible conclusion (at [69]).

Issue 1: Precautions Against DTI

The Claimants alleged that NUH failed to provide an air mattress and heel protectors, leading to the DTI. However, the Court found that the nursing records and the testimony of NUH’s witnesses directly contradicted this. The records showed that Mdm Parvaty was placed on an air mattress and that "off-loading" (pressure relief) measures were implemented. The Court emphasized that the burden of proof lay with the Claimants to show these measures were not taken. Referring to the Evidence Act 1893, the Court noted that the Claimants failed to adduce "not inherently incredible" evidence to shift the burden to NUH (at [77]). Consequently, the Court found no breach of duty regarding the prevention of the DTI.

Issue 2: Conservative Management vs. Intervention

This was the most heavily litigated issue. The Claimants’ expert, Mr. Smith, argued that NUH should have performed an angioplasty or debridement in November or December 2020. The Court rejected this view for several reasons. First, the Court found that Mr. Smith’s opinion was based on a "misconception" of Mdm Parvaty’s clinical state. He had assumed she was a fit candidate for surgery, ignoring her ESRF and severe cardiac risks. NUH’s experts, including Dr. Julian Wong, testified that Mdm Parvaty’s vessels were "severely calcified," making angioplasty unlikely to succeed and highly risky. The Court held at [204]:

"I rejected Mr Smith’s opinion evidence as it was shown at trial to have been based on his misconceptions..."

The Court found that the decision to manage the dry gangrene conservatively was supported by a responsible body of medical opinion. In patients with ESRF and uninfected dry gangrene, the "gold standard" is often to keep the wound dry and allow it to auto-amputate or remain stable, rather than risking a surgical site that will not heal due to poor blood supply. The Court concluded that NUH’s approach was logical and consistent with the Bolam/Bolitho standard.

Issue 3: The Discharge to AMKH

The Claimants argued that Mdm Parvaty was "unstable" when discharged on 13 January 2021. The Court disagreed, noting that her septic arthritis had resolved, her inflammatory markers were down, and her heel wound was a stable dry gangrene. The Court found that the decision to transfer her for rehabilitation was a standard clinical progression and did not constitute negligence.

Issue 4: Care at AMKH

The Claimants alleged that AMKH failed to monitor the wound, leading to it becoming "wet." The Court found that AMKH’s nursing staff had regularly inspected the wound and documented its status. The change from dry to wet gangrene was a known clinical risk in diabetic patients with ESRF, often occurring despite optimal care. The Court also noted that AMKH acted promptly once the deterioration was identified, transferring her back to NUH within a reasonable timeframe. There was no evidence that AMKH’s actions caused the deterioration.

Issue 5: The AKA Decision

Finally, the Court addressed whether NUH should have attempted a "last-ditch" angioplasty on 5 February 2021 instead of the AKA. The Court accepted the evidence of NUH’s surgeons that by this time, Mdm Parvaty was in a state of "ascending cellulitis" and impending sepsis. An angioplasty would have taken hours and likely failed, whereas the AKA was necessary to remove the source of infection immediately to save her life. The Court found the decision to proceed with the AKA was not only non-negligent but clinically necessary.

Res Ipsa Loquitur and Pleadings

The Court also addressed the Claimants' attempt to rely on res ipsa loquitur (the thing speaks for itself). Citing Cheong Ghim Fah v Murugian s/o Rangasamy [2004] 1 SLR(R) 628, the Court held that the principle only applies when the accident is such that it "ordinarily does not happen without negligence" (at [115]). Here, the development of gangrene in a patient with Mdm Parvaty’s comorbidities was a well-recognized complication that could occur without negligence. Furthermore, the Court strictly applied the rule that parties are bound by their pleadings, as established in How Weng Fan v Sengkang Town Council [2023] 2 SLR 235. Several of the Claimants' arguments were dismissed simply because they had not been pleaded in the Statement of Claim (at [88]).

What Was the Outcome?

The High Court dismissed the claims against both National University Hospital (S) Pte Ltd and Ang Mo Kio – Thye Hua Kwan Hospital Ltd. The Court’s final determination on liability was unequivocal, as stated at [237]:

"I dismissed the claims in negligence against NUH and AMKH."

The Court found that the Claimants had failed to prove, on a balance of probabilities, that either hospital had breached its duty of care or that any alleged breach had caused the injuries complained of. Specifically, the Court found that the medical management provided by both institutions was consistent with the standards expected of competent medical professionals in Singapore.

Regarding costs, the Court made significant orders in favor of the Defendants. Costs were awarded on an indemnity basis from 28 February 2024, likely reflecting the Court's view on the conduct of the litigation or the existence of an unaccepted offer to settle. The specific costs awarded were as follows:

• To NUH: $470,000 plus GST.
• To AMKH: $350,000.

The Court also ordered interest to run on these costs at the standard rate of 5.33% per annum from the date of the costs order until full payment is made (at [249]). The substantial costs award underscores the financial risks associated with pursuing complex medical negligence claims that lack a strong evidentiary or expert-backed foundation.

Why Does This Case Matter?

The judgment in Parvaty d/o Raju is a landmark for several reasons, particularly for practitioners specializing in medical law and civil procedure. First, it provides a masterclass in the application of the Bolam/Bolitho test to multi-disciplinary clinical decision-making. The Court’s willingness to delve into the "logical basis" of the conservative management strategy for gangrene demonstrates that while courts will defer to responsible medical opinion, that opinion must be robust enough to withstand scrutiny regarding comparative risks. This is especially relevant in the treatment of "high-risk" patients where the "standard" treatment (like surgery) might be more dangerous than the "conservative" one.

Second, the case highlights the critical role of expert witnesses and the perils of "partisan" or "misinformed" expert testimony. The rejection of Mr. Smith’s evidence because it ignored the patient’s specific comorbidities (ESRF and cardiac risk) serves as a warning to claimants. Experts must not only be qualified but must also ground their opinions in the actual clinical records of the patient and the local standards of practice. The Court’s reliance on the "paramount" nature of objective medical evidence over subjective expert theory reflects the principles in Sakthivel Punithavathi v Public Prosecutor [2007] 2 SLR(R) 983 (at [70]).

Third, the decision reinforces the absolute necessity of precise pleadings in medical negligence cases. The Court’s refusal to consider unpleaded allegations of negligence—such as specific failures in nursing documentation or alternative treatment options—emphasizes that the Statement of Claim must be comprehensive. Practitioners cannot rely on the trial process to "flesh out" new theories of liability that were not clearly signaled to the defendants. This aligns with the Court of Appeal’s stance in How Weng Fan v Sengkang Town Council [2023] 2 SLR 235.

Fourth, the Court’s treatment of res ipsa loquitur in a medical context is instructive. By finding the doctrine inapplicable, the Court reaffirmed that a "bad outcome" (like an amputation) does not, in itself, create a presumption of negligence. In complex medical cases where multiple factors (like diabetes and renal failure) can cause an injury, the plaintiff must still prove a specific breach of duty. This protects healthcare providers from being held liable for the natural progression of disease in severely ill patients.

Finally, the case touches upon the duty to advise, though it was not the primary focus. The Court noted that while Hii Chii Kok changed the test for medical advice to a patient-centric one, this does not require doctors to provide information on "mainstream treatment options which are obviously inappropriate on the facts" (at [68]). This provides important clarity for doctors on the limits of their disclosure obligations when certain interventions are clinically contraindicated.

Practice Pointers

• Pleadings are Paramount: Ensure every specific act or omission intended to be relied upon as a breach of duty is explicitly stated in the Statement of Claim. The Court will not allow "trial by ambush" or the introduction of new negligence theories during the hearing.
• Expert Witness Vetting: Practitioners must ensure their medical experts have reviewed the entire medical record, including nursing notes and multi-disciplinary reviews. An expert opinion that ignores the patient's comorbidities or the "real-world" risks of surgery is likely to be rejected.
• Burden of Proof for Nursing Care: When alleging a failure to implement nursing precautions (like air mattresses), the claimant must provide affirmative evidence. Contemporaneous nursing records that document such measures are difficult to overcome without credible contrary testimony.
• Understanding Conservative Management: In cases involving high-risk patients, "doing nothing" surgically can be a responsible and non-negligent clinical choice. Practitioners should evaluate whether a "conservative" approach has a logical basis in the medical literature for that specific patient profile.
• Res Ipsa Loquitur Limits: Do not rely on res ipsa loquitur in medical cases where the injury is a known complication of the patient's underlying disease. The doctrine is a "principle of common sense" that rarely applies to complex clinical outcomes.
• Indemnity Costs Risk: Be aware of the significant cost implications of pursuing a medical negligence claim through a full trial, especially if there are offers to settle or if the expert evidence is found to be fundamentally flawed.
• Multi-Disciplinary Records: In hospital settings, the "standard of care" is often the collective output of various specialists. Reviewing the interactions between different departments (e.g., Vascular, Orthopaedic, Renal) is crucial to understanding the hospital's defense.

Subsequent Treatment

As this is a 2026 decision, there is no recorded subsequent treatment in the extracted metadata. However, the judgment follows the established ratio in Hii Chii Kok v Ooi Peng Jin London Lucien [2017] 2 SLR 492 regarding the standard of care for medical treatment and diagnosis.

Legislation Referenced

• Evidence Act 1893 (2020 Rev Ed), ss 103–105
• Fire Safety Act (Cap 109A, 2000 Rev Ed)

Cases Cited

• Applied: Hii Chii Kok v Ooi Peng Jin London Lucien [2017] 2 SLR 492
• Applied: Spandeck Engineering (S) Pte Ltd v Defence Science & Technology Agency [2007] 4 SLR(R) 100
• Referred to: Chia Soo Kiang v Tan Tock Seng Hospital Pte Ltd [2023] SGHC 56
• Referred to: How Weng Fan v Sengkang Town Council [2023] 2 SLR 235
• Referred to: Bolam v Friern Hospital Management Committee [1957] 1 WLR 582
• Referred to: Bolitho v City and Hackney Health Authority [1998] AC 232
• Referred to: Montgomery v Lanarkshire Health Board [2015] UKSC 11
• Referred to: Sakthivel Punithavathi v Public Prosecutor [2007] 2 SLR(R) 983
• Referred to: Ilechukwu Uchechukwu Chukwudi v Public Prosecutor [2021] 1 SLR 67
• Referred to: Britestone Pte Ltd v Smith & Associates Far East, Ltd [2007] 4 SLR(R) 855
• Referred to: Multi-Pak Singapore Pte Ltd (in receivership) v Intraco Ltd [1992] 2 SLR(R) 382
• Referred to: OMG Holdings Pte Ltd v Pos Ad Sdn Bhd [2012] 4 SLR 231
• Referred to: The “Tian E Zuo” [2019] 4 SLR 475
• Referred to: Engineering Pte Ltd v Te Deum Engineering Pte Ltd [2018] 1 SLR 76
• Referred to: Cheong Ghim Fah v Murugian s/o Rangasamy [2004] 1 SLR(R) 628

Source Documents

• Original Judgment (PDF)
• eLitigation Case Summary