Cubital tunnel syndrome is a disease in which ulnar nerve is compressed by its surrounding tissues,and its main clinical manifestations are pain,sensory disturbance and dyskinesia.Its incidence rate is the second high...Cubital tunnel syndrome is a disease in which ulnar nerve is compressed by its surrounding tissues,and its main clinical manifestations are pain,sensory disturbance and dyskinesia.Its incidence rate is the second highest among peripheral nerve entrapment diseases,and it is one of the common clinical diseases.The theory of liver,spleen and kidney can guide the treatment of cubital tunnel syndrome with traditional Chinese medicine and acupuncture.By discussing the traditional Chinese medicine(TCM)pathogenesis and treatment principles of cubital tunnel syndrome,it provides modern medical theoretical support for TCM treatment of cubital tunnel syndrome.展开更多
Polycystic ovary syndrome(PCOS)is an endocrine disorder caused by hypothalamic-pituitary-ovarian(HPO)axis dysfunction.In the field of gynecology and reproduction,PCOS has emerged as both a research hot spot and a chal...Polycystic ovary syndrome(PCOS)is an endocrine disorder caused by hypothalamic-pituitary-ovarian(HPO)axis dysfunction.In the field of gynecology and reproduction,PCOS has emerged as both a research hot spot and a challenging area of study.According to Chinese medicine,this disease is related to kidney deficiency,phlegm and dampness obstruction,blood stasis and interconnection,Chong pulse impassability,the lack of Ren pulse,and the loss of uterine nourishment,all of which affect the normal development and maturation of eggs as well as the duration at which menstrual blood stores.In this paper,based on the theoretical basis of“liver collects blood,regulates the flow of qi,and is the master of drainage,”we explore the rationality of the treatment of this disease from the perspective of“liver and kidney have the same origin”and the development of PCOS-related infertility in relation to dysfunctional internal organs.We also explore the feasibility of treatment from the perspective of“liver and kidney homology,”expand the ideas for treatment,as well as develop and innovate the application of organ identification in PCOS in relation to infertility.展开更多
AIM:To study the clinical efficacy of traditional Chinese medicine(TCM)intervention"tonifying the kidney to promote liver regeneration and repair by affecting stem cells and their microenvironment"("TTK...AIM:To study the clinical efficacy of traditional Chinese medicine(TCM)intervention"tonifying the kidney to promote liver regeneration and repair by affecting stem cells and their microenvironment"("TTK")for treating liver failure due to chronic hepatitis B.METHODS:We designed the study as a randomized controlled clinical trial.Registration number of Chinese Clinical Trial Registry is Chi CTR-TRC-12002961.A total of 144 patients with liver failure due to infection with chronic hepatitis B virus were enrolled in this randomized controlled clinical study.Participants were randomly assigned to the following three groups:(1)a modern medicine control group(MMC group,36patients);(2)a"tonifying qi and detoxification"("TQD")group(72 patients);and(3)a"tonifying the kidney to promote liver regeneration and repair by affecting stem cells and their microenvironment"("TTK")group(36patients).Patients in the MMC group received general internal medicine treatment;patients in the"TQD"group were given a TCM formula"tonifying qi and detoxification"and general internal medicine treatment;patients in the"TTK"group were given a TCM formula of"TTK"and general internal medicine treatment.All participants were treated for 8 wk and then followed at 48 wk following their final treatment.The primaryefficacy end point was the patient fatality rate in each group.Measurements of various virological and biochemical indicators served as secondary endpoints.The one-way analysis of variance and the t-test were used to compare patient outcomes in the different treatment groups.RESULTS:At the 48-wk post-treatment time point,the patient fatality rates in the MMC,"TQD",and"TTK"groups were 51.61%,35.38%,and 16.67%,respectively,and the differences between groups were statistically significant(P<0.05).However,there were no significant differences in the levels of hepatitis B virus DNA or prothrombin activity among the three groups(P>0.05).Patients in the"TTK"group had significantly higher levels of serum total bilirubin compared to MMC subjects(339.40μmol/L±270.09μmol/L vs 176.13μmol/L±185.70μmol/L,P=0.014).Serum albumin levels were significantly increased in both the"TQD"group and"TTK"group as compared with the MMC group(31.30 g/L±4.77g/L,30.72 g/L±2.89 g/L vs 28.57 g/L±4.56 g/L,P<0.05).There were no significant differences in levels of alanine transaminase among the three groups(P>0.05).Safety data showed that there was one case of stomachache in the"TQD"group and one case of gastrointestinal side effect in the"TTK"group.CONCLUSION:Treatment with"TTK"improved the survival rates of patients with liver failure due to chronic hepatitis B.Additionally,liver tissue was regenerated and liver function was restored.展开更多
Polycystic liver disease(PLD)is a rare hereditary disease that independently exists in isolated PLD,or as an accompanying symptom of autosomal dominant polycystic kidney disease and autosomal recessive polycystic kidn...Polycystic liver disease(PLD)is a rare hereditary disease that independently exists in isolated PLD,or as an accompanying symptom of autosomal dominant polycystic kidney disease and autosomal recessive polycystic kidney disease with complicated mechanisms.PLD currently lacks a unified diagnostic standard.The diagnosis of PLD is usually made when the number of hepatic cysts is more than 20.Gigot classification and Schnelldorfer classification are now commonly used to define severity in PLD.Most PLD patients have no clinical symptoms,and minority with severe complications need treatments.Somatostatin analogues,mammalian target of rapamycin inhibitor,ursodeoxycholic acid and vasopressin-2 receptor antagonist are the potentially effective medical therapies,while cyst aspiration and sclerosis,transcatheter arterial embolization,fenestration,hepatic resection and liver transplantation are the options of invasion therapies.However,the effectiveness of these therapies except liver transplantation are still uncertain.Furthermore,there is no unified strategy to treat PLD between medical centers at present.In order to better understand recent study progresses on PLD for clinical practice and obtain potential directions for future researches,this review mainly focuses on the recent progress in PLD classification,clinical manifestation,diagnosis and treatment.For information,we also provided medical treatment processes of PLD in our medical center.展开更多
AIM To evaluate the differences in acute kidney injury(AKI) between acute-on-chronic liver failure(ACLF) and decompensated cirrhosis(DC) patients. METHODS During the period from December 2015 to July 2017, 280 patient...AIM To evaluate the differences in acute kidney injury(AKI) between acute-on-chronic liver failure(ACLF) and decompensated cirrhosis(DC) patients. METHODS During the period from December 2015 to July 2017, 280 patients with hepatitis B virus(HBV)-related ACLF(HBV-ACLF) and 132 patients with HBV-related DC(HBV-DC) who were admitted to our center were recruited consecutively into an observational study. Urine specimens were collected from all subjects and the levels of five urinary tubular injury biomarkers were detected,including neutrophil gelatinase-associated lipocalin(NGAL), interleukin-18(IL-18), liver-type fatty acid binding protein(L-FABP), cystatin C(CysC), and kidney injury molecule-1(KIM-1). Simultaneously, the patient demographics, occurrence and progression of AKI, and response to terlipressin therapy were recorded. All patients were followed up for 3 mo or until death after enrollment. RESULTS AKI occurred in 71 and 28 of HBV-ACLF and HBV-DC patients, respectively(25.4% vs 21.2%, P = 0.358). Among all patients, the levels of four urinary biomarkers(NGAL, CysC, L-FABP, IL-18) were significantly elevated in patients with HBV-ACLF and AKI(ACLF-AKI), compared with that in patients with HBV-DC and AKI(DC-AKI) or those without AKI. There was a higher proportion of patients with AKI progression in ACLF-AKI patients than in DC-AKI patients(49.3% vs 17.9%, P = 0.013). Fortythree patients with ACLF-AKI and 19 patients with DC-AKI were treated with terlipressin. The response rate of ACLFAKI patients was significantly lower than that of patients with DC-AKI(32.6% vs 57.9%, P = 0.018). Furthermore, patients with ACLF-AKI had the lowest 90 d survival rates among all groups(P < 0.001).CONCLUSION AKI in ACLF patients is more likely associated with structural kidney injury, and is more progressive, with a poorer response to terlipressin treatment and a worse prognosis than that in DC patients.展开更多
Acute kidney injury(AKI)in cirrhosis,including hepatorenal syndrome(HRS),is a common and serious complication in cirrhotic patients,leading to significant morbidity and mortality.AKI is separated into two categories,n...Acute kidney injury(AKI)in cirrhosis,including hepatorenal syndrome(HRS),is a common and serious complication in cirrhotic patients,leading to significant morbidity and mortality.AKI is separated into two categories,non-HRS AKI and HRS-AKI.The most recent definition and diagnostic criteria of AKI in cirrhosis and HRS have helped diagnose and prognosticate the disease.The pathophysiology behind non-HRS-AKI and HRS is more complicated than once theorized and involves more processes than just splanchnic vasodilation.The common biomarkers clinicians use to assess kidney injury have significant limitations in cirrhosis patients;novel biomarkers being studied have shown promise but require further studies in clinical settings and animal models.The overall management of non-HRS AKI and HRS-AKI requires a systematic approach.Although pharmacological treatments have shown mortality benefit,the ideal HRS treatment option is liver transplantation with or without simultaneous kidney transplantation.Further research is required to optimize pharmacologic and nonpharmacologic approaches to treatment.This article reviews the current guidelines and recommendations of AKI in cirrhosis.展开更多
Renal aspergillosis(RAsp)is a rare complication in liver transplant(LT)recipients.Here we report RAsp in two LT recipients.In both patients,RAsp occurred more than 90 d after allogenetic orthotropic LT,and all the cli...Renal aspergillosis(RAsp)is a rare complication in liver transplant(LT)recipients.Here we report RAsp in two LT recipients.In both patients,RAsp occurred more than 90 d after allogenetic orthotropic LT,and all the clinical findings were unspecific.RAsp involved unilateral kidney in Case one and bilateral kidneys in Case two.Both computed tomography(CT)and magnetic resonance imaging(MRI)revealed renal abscesses,with progressively enhanced walls and separationsand unenhanced alveolate areas after contrast agent administration.On unenhanced CT images they showed inhomogeneous hypo-attenuation.On fat-suppressed T2-weighted images(T2WIs),the walls and separations of the abscesses showed slightly low signal intensity and the central parts of the lesions showed slightly high signal intensity.Both on CT and MRI,there were some hints of renal infarction or chronic ischemia.Both cases were treated by radical nephrectomy followed by adjuvant antifungal treatment.They all recovered well.展开更多
Acute kidney injury(AKI) is a common complication in patients with end-stage liver disease and advanced cirrhosis regardless of the underlying cause. Hepatorenal syndrome(HRS), a functional form of kidney failure, is ...Acute kidney injury(AKI) is a common complication in patients with end-stage liver disease and advanced cirrhosis regardless of the underlying cause. Hepatorenal syndrome(HRS), a functional form of kidney failure, is one of the many possible causes of AKI. HRS is potentially reversible but involves highly complex pathogenetic mechanisms and equally complex clinical and therapeutic management. Once HRS has developed, it has a very poor prognosis. This review focuses on the diagnostic approach to HRS and discusses the therapeutic protocols currently adopted in clinical practice.展开更多
Traditional medicine believes that emotional,room labor and other factors lead to the lack of blood circulation after the weather,and the consumption of Yin blood is too much,which can lead to the deficiency of blood ...Traditional medicine believes that emotional,room labor and other factors lead to the lack of blood circulation after the weather,and the consumption of Yin blood is too much,which can lead to the deficiency of blood essence.Over time,the deficiency of menstrual blood can not nourish the kidney essence,leading to abnormal pregnancy.The liver is congenital for women,and the kidney is congenital.The disharmony of liver and kidney is the key factor of women's disease.Starting from the"homology of Yi and GUI",this paper analyzes the main etiology and pathogenesis of the disease from three aspects:deficiency of blood essence,imbalance of Zang and Xie,and Yin not controlling Yang.Following the principle of simultaneous treatment of liver and kidney,starting from the three methods of "regulating and tonifying liver and kidney,tonifying kidney and activating blood circulation,and balancing yin and Yang",the liver and kidney are reconciled,and pregnancy is sometimes the best choice.The main purpose is to benefit PCOS patients.展开更多
Previous research has found that electrical conductivity(EC),an important index to predict meat freshness and shelflife,is very promising for estimating the late postmortem interval(PMI).However,whether it has potenti...Previous research has found that electrical conductivity(EC),an important index to predict meat freshness and shelflife,is very promising for estimating the late postmortem interval(PMI).However,whether it has potential use in the early PMI has not been fully studied yet.To test this possibility in the present study,EC of three internal organs of rat liver,spleen,and kidney were determined within 24 postmortem hows,and then,EC changes at different PMIs were carefully analyzed.The overall results showed that EC of liver and spleen increased significantly with PMI while EC of kidney had minor changes during the same period.Specifically,significant linear positive correlations between EC of liver and spleen and PMI were found and the coefficients of their regression functions were R^(2)=0.98 and R^(2)=0.95,respectively.It can be concluded that determination of EC in certain internal organs such as liver and spleen may be a potential tool in the early PMI estimation.However,more researches on its influencing factors are needed to facilitate its final use in practice.展开更多
基金TCM science and Technology project of Hebei Provincial Administration of Traditional Chinese Medicine in 2021(No.2021352):The therapeutic effect of cubital tunnel expansion plasty combined with Huangqi Guizhi Wuwu Decoction on cubital tunnel syndrome。
文摘Cubital tunnel syndrome is a disease in which ulnar nerve is compressed by its surrounding tissues,and its main clinical manifestations are pain,sensory disturbance and dyskinesia.Its incidence rate is the second highest among peripheral nerve entrapment diseases,and it is one of the common clinical diseases.The theory of liver,spleen and kidney can guide the treatment of cubital tunnel syndrome with traditional Chinese medicine and acupuncture.By discussing the traditional Chinese medicine(TCM)pathogenesis and treatment principles of cubital tunnel syndrome,it provides modern medical theoretical support for TCM treatment of cubital tunnel syndrome.
文摘Polycystic ovary syndrome(PCOS)is an endocrine disorder caused by hypothalamic-pituitary-ovarian(HPO)axis dysfunction.In the field of gynecology and reproduction,PCOS has emerged as both a research hot spot and a challenging area of study.According to Chinese medicine,this disease is related to kidney deficiency,phlegm and dampness obstruction,blood stasis and interconnection,Chong pulse impassability,the lack of Ren pulse,and the loss of uterine nourishment,all of which affect the normal development and maturation of eggs as well as the duration at which menstrual blood stores.In this paper,based on the theoretical basis of“liver collects blood,regulates the flow of qi,and is the master of drainage,”we explore the rationality of the treatment of this disease from the perspective of“liver and kidney have the same origin”and the development of PCOS-related infertility in relation to dysfunctional internal organs.We also explore the feasibility of treatment from the perspective of“liver and kidney homology,”expand the ideas for treatment,as well as develop and innovate the application of organ identification in PCOS in relation to infertility.
基金Supported by National Science and Technology Key Projects on"Major Infectious Diseases such as HIV/AIDS,Viral Hepatitis Prevention and Treatment",No.2008ZX10005-007Research Projects of Key Disease of National Traditional Chinese Medicine(Hepatopathy)Clinical Research Center(Hubei Province),No.JDZX2012054+3 种基金National Natural Science Foundation of China,No.81373513,No.90709041,No.30672590,No.30271562,No.30371787,No.81102531 and No.81274147Key Projects of Natural Science Foundation of Hubei Province,No.2011CDB463Specialized Research Fund for the Doctoral Programs in Institution of Higher Education,No.20124230110001Key Subjects of Department of Science and Technology of Wuhan City,No.201260523199
文摘AIM:To study the clinical efficacy of traditional Chinese medicine(TCM)intervention"tonifying the kidney to promote liver regeneration and repair by affecting stem cells and their microenvironment"("TTK")for treating liver failure due to chronic hepatitis B.METHODS:We designed the study as a randomized controlled clinical trial.Registration number of Chinese Clinical Trial Registry is Chi CTR-TRC-12002961.A total of 144 patients with liver failure due to infection with chronic hepatitis B virus were enrolled in this randomized controlled clinical study.Participants were randomly assigned to the following three groups:(1)a modern medicine control group(MMC group,36patients);(2)a"tonifying qi and detoxification"("TQD")group(72 patients);and(3)a"tonifying the kidney to promote liver regeneration and repair by affecting stem cells and their microenvironment"("TTK")group(36patients).Patients in the MMC group received general internal medicine treatment;patients in the"TQD"group were given a TCM formula"tonifying qi and detoxification"and general internal medicine treatment;patients in the"TTK"group were given a TCM formula of"TTK"and general internal medicine treatment.All participants were treated for 8 wk and then followed at 48 wk following their final treatment.The primaryefficacy end point was the patient fatality rate in each group.Measurements of various virological and biochemical indicators served as secondary endpoints.The one-way analysis of variance and the t-test were used to compare patient outcomes in the different treatment groups.RESULTS:At the 48-wk post-treatment time point,the patient fatality rates in the MMC,"TQD",and"TTK"groups were 51.61%,35.38%,and 16.67%,respectively,and the differences between groups were statistically significant(P<0.05).However,there were no significant differences in the levels of hepatitis B virus DNA or prothrombin activity among the three groups(P>0.05).Patients in the"TTK"group had significantly higher levels of serum total bilirubin compared to MMC subjects(339.40μmol/L±270.09μmol/L vs 176.13μmol/L±185.70μmol/L,P=0.014).Serum albumin levels were significantly increased in both the"TQD"group and"TTK"group as compared with the MMC group(31.30 g/L±4.77g/L,30.72 g/L±2.89 g/L vs 28.57 g/L±4.56 g/L,P<0.05).There were no significant differences in levels of alanine transaminase among the three groups(P>0.05).Safety data showed that there was one case of stomachache in the"TQD"group and one case of gastrointestinal side effect in the"TTK"group.CONCLUSION:Treatment with"TTK"improved the survival rates of patients with liver failure due to chronic hepatitis B.Additionally,liver tissue was regenerated and liver function was restored.
文摘Polycystic liver disease(PLD)is a rare hereditary disease that independently exists in isolated PLD,or as an accompanying symptom of autosomal dominant polycystic kidney disease and autosomal recessive polycystic kidney disease with complicated mechanisms.PLD currently lacks a unified diagnostic standard.The diagnosis of PLD is usually made when the number of hepatic cysts is more than 20.Gigot classification and Schnelldorfer classification are now commonly used to define severity in PLD.Most PLD patients have no clinical symptoms,and minority with severe complications need treatments.Somatostatin analogues,mammalian target of rapamycin inhibitor,ursodeoxycholic acid and vasopressin-2 receptor antagonist are the potentially effective medical therapies,while cyst aspiration and sclerosis,transcatheter arterial embolization,fenestration,hepatic resection and liver transplantation are the options of invasion therapies.However,the effectiveness of these therapies except liver transplantation are still uncertain.Furthermore,there is no unified strategy to treat PLD between medical centers at present.In order to better understand recent study progresses on PLD for clinical practice and obtain potential directions for future researches,this review mainly focuses on the recent progress in PLD classification,clinical manifestation,diagnosis and treatment.For information,we also provided medical treatment processes of PLD in our medical center.
基金Supported by the Innovation Team Development Plan of the Ministry of Education,No.IRT_14R20National Natural Science foundation of China,No.81571989
文摘AIM To evaluate the differences in acute kidney injury(AKI) between acute-on-chronic liver failure(ACLF) and decompensated cirrhosis(DC) patients. METHODS During the period from December 2015 to July 2017, 280 patients with hepatitis B virus(HBV)-related ACLF(HBV-ACLF) and 132 patients with HBV-related DC(HBV-DC) who were admitted to our center were recruited consecutively into an observational study. Urine specimens were collected from all subjects and the levels of five urinary tubular injury biomarkers were detected,including neutrophil gelatinase-associated lipocalin(NGAL), interleukin-18(IL-18), liver-type fatty acid binding protein(L-FABP), cystatin C(CysC), and kidney injury molecule-1(KIM-1). Simultaneously, the patient demographics, occurrence and progression of AKI, and response to terlipressin therapy were recorded. All patients were followed up for 3 mo or until death after enrollment. RESULTS AKI occurred in 71 and 28 of HBV-ACLF and HBV-DC patients, respectively(25.4% vs 21.2%, P = 0.358). Among all patients, the levels of four urinary biomarkers(NGAL, CysC, L-FABP, IL-18) were significantly elevated in patients with HBV-ACLF and AKI(ACLF-AKI), compared with that in patients with HBV-DC and AKI(DC-AKI) or those without AKI. There was a higher proportion of patients with AKI progression in ACLF-AKI patients than in DC-AKI patients(49.3% vs 17.9%, P = 0.013). Fortythree patients with ACLF-AKI and 19 patients with DC-AKI were treated with terlipressin. The response rate of ACLFAKI patients was significantly lower than that of patients with DC-AKI(32.6% vs 57.9%, P = 0.018). Furthermore, patients with ACLF-AKI had the lowest 90 d survival rates among all groups(P < 0.001).CONCLUSION AKI in ACLF patients is more likely associated with structural kidney injury, and is more progressive, with a poorer response to terlipressin treatment and a worse prognosis than that in DC patients.
文摘Acute kidney injury(AKI)in cirrhosis,including hepatorenal syndrome(HRS),is a common and serious complication in cirrhotic patients,leading to significant morbidity and mortality.AKI is separated into two categories,non-HRS AKI and HRS-AKI.The most recent definition and diagnostic criteria of AKI in cirrhosis and HRS have helped diagnose and prognosticate the disease.The pathophysiology behind non-HRS-AKI and HRS is more complicated than once theorized and involves more processes than just splanchnic vasodilation.The common biomarkers clinicians use to assess kidney injury have significant limitations in cirrhosis patients;novel biomarkers being studied have shown promise but require further studies in clinical settings and animal models.The overall management of non-HRS AKI and HRS-AKI requires a systematic approach.Although pharmacological treatments have shown mortality benefit,the ideal HRS treatment option is liver transplantation with or without simultaneous kidney transplantation.Further research is required to optimize pharmacologic and nonpharmacologic approaches to treatment.This article reviews the current guidelines and recommendations of AKI in cirrhosis.
基金Supported by Forty-third Batch of the Scientific Research Foundation for Returned Oversea Scholars from the Ministry of EducationNational Natural Science Foundation of China,No.81201090,No.81371554,No.81371655 and No.81071206+1 种基金Guangdong Natural Science Foundation,No.S2012010008367Guangdong Science and Technology Project,No.2010B031600053
文摘Renal aspergillosis(RAsp)is a rare complication in liver transplant(LT)recipients.Here we report RAsp in two LT recipients.In both patients,RAsp occurred more than 90 d after allogenetic orthotropic LT,and all the clinical findings were unspecific.RAsp involved unilateral kidney in Case one and bilateral kidneys in Case two.Both computed tomography(CT)and magnetic resonance imaging(MRI)revealed renal abscesses,with progressively enhanced walls and separationsand unenhanced alveolate areas after contrast agent administration.On unenhanced CT images they showed inhomogeneous hypo-attenuation.On fat-suppressed T2-weighted images(T2WIs),the walls and separations of the abscesses showed slightly low signal intensity and the central parts of the lesions showed slightly high signal intensity.Both on CT and MRI,there were some hints of renal infarction or chronic ischemia.Both cases were treated by radical nephrectomy followed by adjuvant antifungal treatment.They all recovered well.
文摘Acute kidney injury(AKI) is a common complication in patients with end-stage liver disease and advanced cirrhosis regardless of the underlying cause. Hepatorenal syndrome(HRS), a functional form of kidney failure, is one of the many possible causes of AKI. HRS is potentially reversible but involves highly complex pathogenetic mechanisms and equally complex clinical and therapeutic management. Once HRS has developed, it has a very poor prognosis. This review focuses on the diagnostic approach to HRS and discusses the therapeutic protocols currently adopted in clinical practice.
文摘Traditional medicine believes that emotional,room labor and other factors lead to the lack of blood circulation after the weather,and the consumption of Yin blood is too much,which can lead to the deficiency of blood essence.Over time,the deficiency of menstrual blood can not nourish the kidney essence,leading to abnormal pregnancy.The liver is congenital for women,and the kidney is congenital.The disharmony of liver and kidney is the key factor of women's disease.Starting from the"homology of Yi and GUI",this paper analyzes the main etiology and pathogenesis of the disease from three aspects:deficiency of blood essence,imbalance of Zang and Xie,and Yin not controlling Yang.Following the principle of simultaneous treatment of liver and kidney,starting from the three methods of "regulating and tonifying liver and kidney,tonifying kidney and activating blood circulation,and balancing yin and Yang",the liver and kidney are reconciled,and pregnancy is sometimes the best choice.The main purpose is to benefit PCOS patients.
基金This study was supported by the Basic and Frontier Study of Technology Project of Henan Province(Grant No.112300410082)the Doctor Foundation and the Youngs'Foundation of Henan University of Science and Technology(Grant No.09001309,2013ZCX024 and 2011QN52)Key Laboratory of Forensic Medicine Identification in Luoyang(No.11550002).
文摘Previous research has found that electrical conductivity(EC),an important index to predict meat freshness and shelflife,is very promising for estimating the late postmortem interval(PMI).However,whether it has potential use in the early PMI has not been fully studied yet.To test this possibility in the present study,EC of three internal organs of rat liver,spleen,and kidney were determined within 24 postmortem hows,and then,EC changes at different PMIs were carefully analyzed.The overall results showed that EC of liver and spleen increased significantly with PMI while EC of kidney had minor changes during the same period.Specifically,significant linear positive correlations between EC of liver and spleen and PMI were found and the coefficients of their regression functions were R^(2)=0.98 and R^(2)=0.95,respectively.It can be concluded that determination of EC in certain internal organs such as liver and spleen may be a potential tool in the early PMI estimation.However,more researches on its influencing factors are needed to facilitate its final use in practice.