Showing posts with label Neonatology. Show all posts
Showing posts with label Neonatology. Show all posts

10 May 2012

Polyhydramnios



Polyhydramnios, premature delivery
Zae Kim, MD
Bartter_Gitelman_Syndrome.ppt

Renal Failure and Dialysis in Pregnancy
David Shure
Renal_Failure_in_Pregnancy.ppt

Care of the Sick and Prematurely
BornRavi Mangal Patel, MD
Care of the Sick and Prematurely.ppt

Antepartum Surveillance Techniques
Mrs. Mahdia Samaha Kony
Antepartum Surveillance Techniques.ppt

Maternal Risk Factors Fetal Assessment
Pregnancy.ppt

Using Anatomy and Physiology
Diagnosis1.ppt

Pediatric Airway Emergencies
Steven T. Wright, M.D., Seckin Ulualp, M.D.
Pediatric Airway Emergencies.ppt

APGO Objectives for Medical Students Preterm Labor
Preterm_Labor.ppt

Preterm Labor and Birth
Patricia B. Gotsch M.D.
Preterm Labor and Birth.ppt

Reproductive System Pathologies
Reproductive System Pathologies.ppt

Fetal growth restriction
Joseph Breuner, MD
Fetal growth restriction.ppt

Neonatal Hypotonia Clinical Approach To Floppy Baby
Osama Naga, M.D.
naga-neonatal_hypotonia.ppt

Genetics and Prematurity
Joann Bodurtha M.D.,M.P.H.
Bodurtha.Genetics.ppt

Childbirth at Risk: Pre-Labor Complications
Childbirth at Risk: Pre-Labor Complications.ppt

From Birth - Neural tube defects, Hydrocephalus, Hypo-Hyperthyroidism
Peggy Pannell RN, MSN
Hypo-hyperthyroidetc.ppt

Premature Labor and Delivery
Honor M. Wolfe
Wolfe_PTL.ppt

Neonatal Surgical Issues
Sue Ann Smith, MD
http://www.ohsu.edu/xd/health/services/doernbecher/research-education/education/med-education/upload/Neonatal-Surgical-Issues-part1.ppt
Latest 200 scholarly articles

09 September 2009

Managing Low Birth Weight and Sick Newborns



Managing Low Birth Weight and Sick Newborns

Advances in Maternal and Neonatal Health

Session Objectives
* To define essential elements of the care of sick newborns, including neonatal resuscitation
* To discuss best practices and technologies

Management of Newborn Illness

* Education of mothers to recognize danger signals
* Working with families to develop complication plan for newborns
* Early recognition and appropriate management of newborn illness

Minimum Preparation for ANY Birth
The following should be available and in working order:
* Heat source
* Mucus extractor
* Self-inflating bag of newborn size
* 2 masks (for normal and small newborns)
* 1 clock
* At least one person skilled in newborn resuscitation present at birth

Essential Care for All Newborns
Most newborns breathe as soon as they are born and only need:
* A clean and warm welcome
* Vigilant observation
* Warmth
* To be observed for breathing
* To be given to the mother for warmth and breastfeeding

Immediate Care of the Newborn: Warmth
* Lay newborn on mother’s abdomen or other warm surface
* Immediately dry newborn with clean (warm) cloth or towel
* Remove wet towel and wrap/cover newborn, except for face and upper chest, with a second towel/cloth

* Blood on newborn is not a risk to newborn, but is a risk to caregiver
* Bathe after 24 hours
* In areas with high HIV prevalence, consider bathing earlier to reduce risk of maternal-fetal transmission, and to reduce risk to caregiver and to other newborns

Immediate Care of the Newborn
* Assess breathing
* Keep head in a neutral position
* IMMEDIATELY assess respirations and need for resuscitation

Signs of Good Health at Birth
Objective measures
* Breathing
* Heart rate above 100 beats/minute
Subjective measures
* Vigorous cry
* Pink skin
* Good muscular tone
* Good reactions to stimulus
* Most important measure is whether newborn is breathing
* Assessing all of above delays resuscitation, if it is necessary.

Birth Asphyxia
* Definition: Failure to initiate and sustain breathing at birth
* Magnitude:
o 3% of 120 million newborns each year in developing countries develop birth asphyxia and require resuscitation
o An estimated 900,000 of these newborns die as a result of asphyxia

Steps in Resuscitation
* Anticipate need for resuscitation at every birth, be prepared with equipment in good condition
* Prevent of heat loss (dry newborn and remove wet clothes)
* Assess breathing
* Resuscitate:
o Open airway
+ Position newborn
+ Clear airway
o Ventilate
o Evaluate

Assess Breathing
Newborn crying?
Provide routine care
* Chest is rising symmetrically
* Frequency >30 breaths/min.
* Not breathing/ gasping
* Breathing < 30 or > 60 breaths/ min.

Immediately start resuscitation
Provide routine care
Open Airway
* Position newborn on its back
* Place head in slightly extend position
* Suction mouth then nostrils

Ventilate
* Select appropriate mask size to cover chin, mouth and nose with a good seal
* Squeeze bag with two fingers or whole hand, look for chest to rise
* If chest not rising:
o Reposition head and mask
o Increase ventilation
o Repeat suctioning

Evaluate
After ventilating for about 1 minute, stop and look for spontaneous breathing
If no breathing, breathing is slow (< 30 breaths/ min.) or is weak with severe indrawing
If newborn starts crying/breathing spontaneously
Continue ventilating until spontaneous cry/ breathing begins

* Stop ventilating
* Do not leave newborn
* Observe breathing
* Put newborn skin-to-skin with mother and cover them both

Harmful and Ineffective Resuscitation Practices

Read more...

Normal Newborn Care



Normal Newborn Care - Advances in Maternal and Neonatal Health

Normal Newborn Care
Session Objective
* Define essential elements of early newborn care
* Discuss best practices and technologies for promoting newborn health
* Use relevant data and information to develop appropriate essential newborn recommendations

Newborn Deaths
Essential Newborn Care Interventions
* Clean childbirth and cord care
o Prevent newborn infection
* Thermal protection
o Prevent and manage newborn hypo/hyperthermia
* Early and exclusive breastfeeding
o Started within 1 hour after childbirth
* Initiation of breathing and resuscitation
o Early asphyxia identification and management
* Eye care
o Prevent and manage ophthalmia neonatorum
* Immunization
o At birth: bacille Calmette-Guerin (BCG) vaccine, oral poliovirus vaccine (OPV) and hepatitis B virus (HBV) vaccine (WHO)
* Identification and management of sick newborn
* Care of preterm and/or low birth weight newborn

Cleanliness to Prevent Infection
* Principles of cleanliness essential in both home and health facilities childbirths
* Principles of cleanliness at childbirth
o Clean hands
o Clean perineum
o Nothing unclean introduced vaginally
o Clean delivery surface
o Cleanliness in cord clamping and cutting
o Cleanliness for cord care
* Infection prevention/control measures at healthcare facilities

Thermal Protection
* Newborn physiology
o Normal temperature: 36.5–37.5°C
o Hypothermia: < 36.5°C
o Stabilization period: 1st 6–12 hours after birth
+ Large surface area
+ Poor thermal insulation
+ Small body mass to produce and conserve heat
+ Inability to change posture or adjust clothing to respond to thermal stress
* Increase hypothermia
o Newborn left wet while waiting for delivery of placenta
o Early bathing of newborn (within 24 hours)

Hypothermia Prevention
* Deliver in a warm room
* Dry newborn thoroughly and wrap in dry, warm cloth
* Keep out of draft and place on a warm surface
* Give to mother as soon as possible
o Skin-to-skin contact first few hours after childbirth
o Promotes bonding
o Enables early breastfeeding
* Check warmth by feeling newborn’s feet every 15 minutes
* Bathe when temperature is stable (after 24 hours)

Early and Exclusive Breastfeeding
* Early contact between mother and newborn
o Enables breastfeeding
o Rooming-in policies in health facilities prevents nosocomial infection
* Best practices
o No prelacteal feeds or other supplement
o Giving first breastfeed within one hour of birth
o Correct positioning to enable good attachment of the newborn
o Breastfeeding on demand
o Psycho-social support to breastfeeding mother

Breathing Initiation and Resuscitation
* Spontaneous breathing (> 30 breaths/min.) in most newborns
o Gentle stimulation, if at all
* Effectiveness of routine oro-nasal suctioning is unknown
o Biologically plausible advantages – clear airway
o Potentially real disadvantages – cardiac arrhythmia
o Bulb suctioning preferred
* Newborn resuscitation may be needed
o Fetal distress
o Thick meconium staining
o Vaginal breech deliveries
o Preterm

Eye Care To Prevent or Manage Ophthalmia Neonatorum
* Ophthalmia neonatorum
o Conjunctivitis with discharge during first 2 weeks of life
o Appears usually 2–5 days after birth
o Corneal damage if untreated
o Systemic progression if not managed
* Etiology
o N. gonorrhea
+ More severe and rapid development of complications
+ 30–50% mother-newborn transmission rate
o C. trachomatis

Eye Care To Prevent or Manage Ophthalmia Neonatorum (continued)
* Prophylaxis
o Clean eyes immediately
o 1% Silver nitrate solution
+ Not effective for chlamydia
o 2.5% Povidone-iodine solution
o 1% Tetracycline ointment
+ Not effective vs. some N. gonorrhea strains
* Common causes of prophylaxis failure

Read more...

Infant Lung Disease and Associated Complications



Infant Lung Disease and Associated Complications
By:Mary P. Martinasek, BS, RRT
Director of Clinical Education
Hillsborough Community College

Respiratory Distress Syndrome
* RDS , formerly called Hyaline Membrane disease (HMD)
* Primary cause of respiratory disorders
* 70% preterm deaths, 30% neonatal deaths
* Etiology - deficiency in surfactant
o Premature pulmonary system

Risk Factors associated with RDS
* Less than 35 weeks gestation
* Maternal diabetes
* Hx of RDS in sibling
* White male
* PFC (Persistent Fetal Circulation)
* Prenatal maternal complication
* Abnormal placental conditions
* Umbilical cord disorders

Pathophysiology of RDS
Decreased surfactant
Surface Tension
Compliance
Stiffer Lungs
Wide spread atelectasis
Worsening V/Q
FRC
WOB
PaO2& __ PaCO2
Respiratory Acidosis
Capillary damage
Alveolar Necrosis
Clinical Signs of RDS
* Respiratory Rate > 60 bpm
* Grunting
* Retracting
* Nasal flaring
* Cyanosis
* Hypothermia
* CXR = underaeration, opaque, ground glass appearance

Treatment of RDS
* Maternal steroids
* Artificial surfactant therapy
* Adequate hydration
* Thermoregulation
* Goal = support the patient’s respiratory system while minimizing complications

Complication of RDS
* ICH occurs in 40% of < 1500 grams
* Barotrauma = pulmonary air leaks
* Infection
* PDA

Airleak Identification
Clinical Scenario
BPD
Pathophysiology of BPD
CXR in BPD
* Stage I
o First 3 days of life
o Ground glass appearance on x-ray
* Stage II
o 3 - 10 days
o Opaque, obscure cardiac markings
* Stage III
o 10 - 20 days
o Cyst formations
* Stage IV
o 28 days
o Increased lung density, larger cysts
Treatment of BPD
* Avoidance of factors that lead to development
* Adequate ventilatory humidification
* CPT and bronchodilators
* Fluid management
* Nutrition

Read more...

Neonatal Resuscitation



Neonatal Resuscitation
By:Mary P. Martinasek, BS, RRT
Director of Clinical Education
Hillsborough Community College

Asphyxia
* Hypoxia + Hypercapnia + Acidosis
* May lead to irreversible brain damage
* The necessity to resuscitate is related to the degree of asphyxia

Causes of fetal asphyxia
* Maternal hypoxia
* Insufficient placental blood flow
* Blockage of umbilical blood flow
* Fetal disorders

Primary vs. Secondary Apnea
* Primary
o Initial asphyxia
o Signs
+ Initial period of rapid breathing
+ Respiratory movements cease
+ Heart rate and bp drop
+ Neuromuscular tone diminishes

Secondary Apnea
* If no resuscitation and apnea continues
* Signs
o Deep gasping respirations
o Heart rate continues to decrease
o Blood pressure begins to fall
o Infant flaccid

* Primary
o Stimulation and oxygen will usually induce respirations

* Secondary
o Infant unresponsive to stimulation – must be resuscitated

Effects of asphyxia on the lungs
* Ineffective respirations cannot open alveoli
* Pulmonary Hypertension
* Pulmonary vasoconstriction
o Hypoxia, hypercarbia, acidosis

Persistent Fetal Circulation
known as PPHN

* Leads to further asphyxia
* Blood shunted
* CO2 remains high despite ventilation
o Indocin
o Ligation of PDA

Preparation for Resuscitation

* Anticipation of high risk delivery
* Proper equipment
* Trained personnel

Purpose of Resuscitation

* Reverse asphyxia before irreparable damage has occurred

ABC’s of Resuscitation

* A – Establish an open airway
o Position infant
o Suction mouth then nose
* B – initiate breathing
o Use tactile stimulation
o Use PPV if necessary

Resuscitation

Read more...

Global trends of neonatal, infant and child mortality



Global trends of neonatal, infant and child mortality: implications for child survival
By:Dr KANUPRIYA CHATURVEDI & Dr S.K CHATURVEDI

When are child deaths occurring?

What are under-fives dying of?
(excluding neonatal causes of death)

* Pneumonia
* Diarrhoea
* Malaria
* Measles
* HIV/AIDS

Malnutrition contributes to more than half of all under-five deaths
What are neonates dying of?
* Preterm births
* Severe infection
* Asphyxia
* Congenital anomalies
* Tetanus

INDIA’S SHARE OF GLOBAL BURDEN
SOLUTIONS EXIST

* A mix of community and facility-based interventions
* A mix of integrated child health approaches
* Integrated management of neonatal and child hood illnesses is proven tool

Goals of IMNCI
* Standardized case management of sick newborns and children
* Focus on the most common causes of mortality
* Nutrition assessment and counselling for all sick infants and children
* Home care for newborns to
o promote exclusive breastfeeding
o prevent hypothermia
o improve illness recognition & timely care seeking

Essential components of IMNCI
* Improve health and nutrition workers’ skills
* Improve health systems
* Improve family and community practices
Home visits for young infants: Schedule
Colour Coded Case Management Strategy
Other innovations in case
Innovations in therapy

Read more...
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